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Файл:Ординатура / Хирургия / Библиотека им академика М.И. Перельмана / Книга_5790_Библиотеки_им_академика_М_И_Перельмана.pdf
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- •Preface
- •Acknowledgements
- •Contents
- •1: Theory and Basics
- •1.1.2.3 Reflection
- •1.1.2.4 Absorption
- •1.1.2.5 Deflection
- •1.1.2.6 Focus
- •1.1.2.7 Resolution
- •1.2 Practical Application in US Device
- •1.2.1 Emission, Transmission, Reception and Amplification
- •1.2.1.1 Emission
- •1.2.1.2 Transmission
- •1.2.1.3 Reception
- •1.2.1.4 Amplification
- •1.2.2 Signal Processing
- •1.2.2.1 Preprocessing
- •1.2.2.2 Post-processing
- •1.2.2.3 Time Gain Compensation (TGC)
- •1.2.2.4 Sound Energy = Output
- •1.2.2.5 Gain
- •1.2.2.6 Frame Rate/Persistence
- •1.2.3 Components of US Device
- •1.2.3.1 Transducers
- •Sector Transducers
- •Linear Array Transducers
- •Curved Linear Array
- •Other Transducers
- •1.2.3.2 Other Parts of US Device
- •1.3 US Methods
- •1.3.1 A (Amplitude)-Mode
- •1.3.2 (T)M-Mode (Time-Motion-Mode)
- •1.3.3 B (Brightness)-Mode
- •1.3.4 Doppler Sonography
- •1.4 Artefacts
- •1.4.1 General Remarks
- •1.1 Ultrasound (US) Physics
- •1.1.1 US Waves
- •1.1.2 Propagation and Modulation of US
- •1.1.2.1 Acoustic Impedance
- •1.1.2.2 Impedance Change
- •1.4.2 Common Artefacts
- •1.4.2.1 Side Loop Artefact
- •1.4.2.2 Bowing Artefact
- •1.4.2.3 Noise
- •1.4.2.4 Marginal Shadowing
- •1.4.2.5 Posterior Enhancement – Increased Through Transmission
- •1.4.2.6 Reverberation Artefact
- •1.4.2.7 Increment or Slice Thickness/Beam Width Artefact
- •1.4.2.8 Mirror Image Artefact
- •1.4.2.9 Shadowing
- •1.4.2.10 Refraction Artefact
- •1.4.2.11 Anisotropy
- •1.5 Biologic Effects
- •1.5.1 General Remarks
- •1.5.2 Thermal Effects
- •1.5.2.1 Tissue Heating
- •1.5.2.2 Biological Effects, Tissue Heating
- •1.5.3 Mechanical Effects and Resonance
- •1.5.3.1 Cavitation
- •Acoustic Cavitation
- •Negative Peak Pressure
- •1.5.4 Potential Risks of Diagnostic US
- •1.5.4.1 Specific Risks
- •1.5.4.2 Guidelines and Recommendations
- •1.5.5.1 Mechanical Index (MI)
- •1.5.5.2 Thermal Index (TI)
- •1.5.5.3 Display of Actual Indices
- •1.6 How to Perform Paediatric US
- •1.6.1 Requisites
- •1.6.1.1 Indications
- •1.6.1.2 Environmental Requisites
- •1.6.1.3 Specific Needs in Children
- •1.6.1.4 Specific Needs in Infants and Newborns
- •1.6.2 Positioning
- •1.6.3 Device Handling
- •1.6.4 Transducer Selection
- •1.6.4.1 General Remarks
- •1.6.4.2 Neurosonography
- •1.6.4.3 Small Part US
- •1.6.4.4 Chest US
- •1.6.4.5 Abdominal US
- •1.6.5 Course of Investigation and Measurements
- •1.6.5.1 General Remarks
- •1.6.5.2 Transducer Handling
- •1.6.5.3 Measurements
- •1.7 Documentation and Interpretation
- •1.7.1 Image Documentation
- •1.7.2 Report
- •1.7.2.1 How to Issue a Report
- •1.7.2.2 Diagnosis
- •1.7.2.3 Predefined Reports
- •1.7.2.4 Nomenclature
- •1.8 Doppler Sonography
- •1.8.1 The Doppler Phenomenon
- •1.8.2.1 Continuous Wave Doppler (CW)
- •1.8.2.2 Pulsed Wave Doppler (PW)
- •1.8.2.3 Duplex-Doppler Sonography
- •1.8.2.5 Amplitude-Coded Colour Doppler Sonography (aCDS)
- •1.8.2.6 Other Flow-Sensitive US Techniques
- •1.8.2.7 Important Parameters and Measurements (Fig. 1.16)
- •1.8.3 Artefacts in (Colour) Doppler Sonography
- •1.8.3.1 Aliasing
- •1.8.3.2 Spectral Broadening
- •1.8.3.3 Sample Volume Artefact
- •1.8.3.4 Filtering Artefacts
- •1.8.3.5 Scaling Problems
- •1.8.3.6 Gain-Induced Errors
- •1.8.3.7 Angle Correction
- •1.8.3.8 Motion Artefact
- •1.8.3.9 Twinkling Artefact
- •1.8.3.10 Others
- •1.8.4 How to Perform (Colour) Doppler Investigations
- •1.8.5 Limitations
- •1.8.6 Interpretation
- •1.9 Modern and Future US Methods and Techniques
- •1.9.1 High-Resolution US (HR-US)
- •1.9.2 Image Compounding
- •1.9.3 Harmonic Imaging (HI)
- •1.9.4 Extended Field of View US
- •1.9.5 US Texture Analysis
- •1.9.6 Sonoelastography
- •1.9.7.1 Basics
- •1.9.7.2 Applications
- •Contrast-Enhanced Voiding Urosonography (ce-VUS)
- •Other Intracavitary Use of ce-US: Sono-Genitography, Sonographic Pyelography, Etc.
- •Intravenous ce-US (CEUS)
- •Future ce-US Potential
- •1.9.8 Three- and Four-Dimensional US (3D-/4DUS)
- •1.9.8.1 Physics and Techniques
- •1.9.8.2 Typical Paediatric 3DUS Applications
- •Neonatal Neurosonography
- •3DUS of the Kidney
- •Urinary Bladder 3DUS
- •3DUS of the Paediatric (Female) Genitalia
- •Musculoskeletal 3DUS Applications
- •Small Part 3DUS Applications
- •Other Potential 3D-/4DUS Applications
- •1.9.8.3 Benefits of 3D-/4DUS
- •1.9.8.4 Restrictions of 3D-/4DUS
- •2: Ultrasound-Guided Interventions
- •2.1 General Aspects
- •2.1.1 Requisites
- •2.1.1.1 Other Important Needs
- •2.1.2 Precautions and Preparations
- •2.2 US-Guided Filling of Structures for Diagnostic or Therapeutic Purpose
- •2.2.2 Diagnostic Sonographic Enema
- •2.2.3 Therapeutic Sonographic Enema
- •2.2.4 US Genitography
- •2.2.5 Contrast-Enhanced Voiding Urosonography (ce-VUS)
- •2.2.6 Other Intracavitary Contrast Applications
- •2.2.7 Intravenous ce-US
- •2.3 Biopsies and Punctures
- •2.4 Drainage
- •2.5 Vascular Access
- •2.6 Lumbar Puncture
- •2.7 Foreign Body Removal
- •3: Neurosonography in Neonates, Infants and Children
- •3.1 Requisites
- •3.1.1 Equipment and Transducer Needs
- •3.1.2 Indications for Brain US
- •3.1.3 How to Investigate
- •3.2 Normal Findings
- •3.2.1 Transfontanellar Access
- •3.2.2 Alternate Access Findings
- •3.2.3 Colour Doppler Sonography (CDS)
- •3.2.4 Normal Variances in Preterm Babies
- •3.2.4.1 Periventricular Echogenicities
- •3.2.4.2 Ventricular Asymmetry
- •3.2.4.3 Ventriculomegaly
- •3.2.4.4 Cisterna Magna
- •3.2.4.5 Vascular Variations
- •3.3 Pathologic Findings
- •3.3.1 Neural Tube Defects
- •3.3.1.1 Anencephaly
- •3.3.1.2 Meningomyelocele and Encephalocele
- •3.3.1.3 Arnold Chiari Malformation
- •3.3.1.4 Dandy-Walker Malformations
- •3.3.1.5 Corpus Callosum Malformations
- •3.3.1.6 Lipoma
- •3.3.2 Migration and Gyration Alterations and Disturbances
- •3.3.2.2 Megalencephaly
- •3.3.2.3 Schizencephaly
- •3.3.2.4 Holoprosencephaly
- •3.3.2.5 Hydranencephaly
- •3.3.3 Phakomatoses
- •3.3.4 Cerebral Cysts
- •3.3.5 Ischemic Encephalopathy
- •3.3.5.1 Preterm Infant
- •3.3.5.2 Global or Diffuse Brain Oedema
- •3.3.5.3 Focal Hypoxemia and Ischemia
- •3.3.5.4 (C)DS in Brain Hypoxia
- •3.3.6 Inflammation
- •3.3.6.1 Prenatal Intrauterine Infections and Residuals
- •3.3.6.2 Postnatal Inflammation
- •3.3.7 Dilatation of CSF Spaces: Hydrocephalus
- •3.3.8 Cerebral Haemorrhage
- •3.3.8.2 Haemorrhage in Term Infants
- •3.3.8.3 Role of CDS in Neonatal Haemorrhage
- •3.3.8.4 Haemorrhage in Infants and Older Children
- •3.3.9 Tumours and Space-Occupying Lesions
- •3.3.9.1 Vascular Malformations
- •3.3.10 Cerebral Calcifications
- •3.4 Ultrasound of the Skull
- •3.4.1 Introduction
- •3.4.2 Haematoma
- •3.4.3 Space-Occupying Lesions and Tumours
- •3.4.4 Skull Fracture
- •3.5 Additional Imaging
- •3.5.1 Plain Film
- •3.5.2 CT
- •3.5.3 MRI
- •3.5.4 Catheter Angiography
- •3.5.5 Additional Supporting Procedures
- •3.6 Ultrasound of the Eye and the Orbit
- •3.6.1 Introduction
- •3.6.2 Normal Findings
- •3.6.3 Sonographically Depictable Pathology
- •3.7 Ultrasound of the Spinal Canal
- •3.7.1 Requisites
- •3.7.2 Transducers and Technique
- •3.7.3 Indications
- •3.7.4 Normal Findings
- •3.7.5 Pathologic Findings of the Spinal Cord
- •3.7.5.1 Dysraphism
- •3.7.5.2 Other Associated Pathology
- •3.7.5.3 Other “Occult” Dysraphisms
- •3.7.6 Trauma
- •3.7.7 Tumours
- •3.7.8 Other Spinal and Vertebral Pathology
- •3.7.9 Additional Imaging
- •3.7.10 Value of US
- •4: Ultrasound of the Neck
- •4.1 Indications, Requisites and Techniques
- •4.1.1 Transducers
- •4.1.2 Positioning and Handling
- •4.1.3 Typical Examinations
- •4.1.3.1 Cervical Lymph Nodes
- •4.1.3.2 Glands
- •4.1.3.3 Cervical Arteries
- •4.1.3.4 Cervical Veins
- •4.1.3.5 Intervention
- •4.2 Normal Findings
- •4.2.1 Lymph Nodes
- •4.2.2 Cervical Glands
- •4.2.2.1 Thyroid Gland
- •4.2.2.2 Parotid, Submandibular and Sublingual Glands
- •4.2.3 Other Cervical Soft Tissues
- •4.2.3.1 Muscles
- •4.2.3.2 Tonsils
- •4.2.3.3 Tongue
- •4.2.3.4 Para- and Retropharyngeal Spaces
- •4.2.3.5 Larynx
- •4.2.4 Cervical Vessels
- •4.3 Pathologic Findings
- •4.3.1 Lymph Nodes
- •4.3.2 Pathology of Cervical Soft Tissue
- •4.3.2.1 Malformations
- •Cervical Cyst
- •Dermoid Cyst
- •Duplication Cysts
- •Thymic Cyst
- •Cervical Ectopic Thymus
- •4.3.2.2 Tumours
- •Haemangioma
- •Lymphatic Malformation
- •Other Mesenchymal Tumours
- •Neuroblastoma, (Ganglio-)Neuroma, Neurofibroma and Other Nerve (Sheath) Tumours
- •Teratoma
- •Other Malignant Tumours
- •Role of US
- •4.3.2.3 Abscess Formations
- •4.3.2.4 Traumatic Changes
- •Haematoma (Including Sternocleidomastoid Muscle “Haematoma”)
- •4.3.3 Thyroid Gland
- •4.3.3.1 Cystic Changes
- •4.3.3.2 Malformations
- •4.3.3.3 Inflammation
- •4.3.3.4 Other Conditions
- •Hypothyroidism/Struma Diffusa/Colloides (Fig. 4.17)
- •Nodular Goitre
- •Amyloid Goitre
- •Adenoma/Carcinoma
- •4.3.4.1 Inflammation
- •4.3.4.2 Cysts
- •4.3.4.3 Calcifications/Sialolithiasis
- •4.3.4.4 Tumours
- •4.3.5 Cervical Vessels
- •4.3.5.1 Arteriosclerosis
- •4.3.5.2 Dissection
- •4.3.5.3 Stenosis
- •4.3.5.4 Other Vascular Anomalies
- •4.3.5.5 Thrombosis and Occlusion
- •5: Basics of Paediatric Echocardiography
- •5.1 Introduction
- •5.2 Equipment Needs and Specific Considerations
- •5.2.1 Transducers
- •5.2.2 Standard US Techniques
- •5.2.3 Patient Position
- •5.2.4 Sedation
- •5.3 Standard Planes and Standardised Course of Examination
- •5.4 Normal 2D Echocardiogram Findings
- •5.4.1 Parasternal Views
- •5.4.1.1 Parasternal Long Axis View (Fig. 5.2)
- •5.4.1.2 Parasternal Short Axis Views (Figs. 5.3 and 5.4)
- •5.4.2 Apical Views
- •5.4.3 Subcostal Views
- •5.4.3.1 Sagittal Subcostal View
- •5.4.3.2 Subcostal Four-Chamber View (Fig. 5.6)
- •5.4.4 Suprasternal View (Fig. 5.7)
- •5.5 Other Techniques
- •5.5.1 M (Motion)-Mode Echocardiography
- •5.5.2 Doppler Sonography
- •5.5.2.1 CDS with 2DUS
- •5.5.2.2 PW- and CW-Doppler
- •5.5.2.3 Calculation of Pressure ( P) Gradients ( P 1 Minus P 2)
- •5.5.3 Other Calculations and Functional Parameters
- •5.6 Special Echocardiographic Techniques
- •5.6.1 Transoesophageal Echocardiography (TEE)
- •5.6.2 Three-Dimensional (3D) Echocardiography
- •5.6.3 Tissue Doppler Imaging (TDI)
- •5.6.4 Contrast-Enhanced US
- •5.7 Normal Values
- •5.8 Pathologic Findings
- •5.8.1 Congenital Heart Defects with Left-to-Right Shunt
- •5.8.1.1 Atrial Septal Defect (ASD)
- •5.8.1.2 Atrioventricular Septal Defects (AVSD)
- •5.8.1.3 Ventricular Septal Defects (VSD)
- •5.8.1.4 Patent Ductus Arteriosus of Botalli (PDA)
- •5.8.1.5 Persistent Truncus Arteriosus (Truncus Arteriosus Communis)
- •5.8.2 Obstructions of Left Ventricular Outflow
- •5.8.2.1 Aortic Valve Stenosis (AS)
- •5.8.2.2 Subaortic Stenosis (Sub AS)
- •5.8.2.3 Supravalvular Aortic Stenosis
- •5.8.2.4 Aortic Coarctation (CoA)
- •5.8.2.5 Interrupted Aortic Arch
- •5.8.3 Obstructions of the Right Ventricular Outflow
- •5.8.3.1 Isolated Pulmonary Valve Stenosis (PS)
- •5.8.3.2 Subvalvular Pulmonary Stenosis
- •5.8.3.3 Supravalvular Pulmonary Stenosis
- •5.8.4 Miscellaneous Congenital Heart Defects
- •5.8.4.1 Transposition of Great Arteries (TGA)
- •5.8.4.2 Total Anomalous Pulmonary Venous Return (TAPVR)
- •5.8.4.3 Univentricular Heart (UVH)
- •5.8.4.4 Double Outlet Right Ventricle (DORV)
- •5.8.4.5 Ebstein Anomaly
- •5.8.4.6 Cor Triatriatum
- •5.9 Acquired Paediatric Heart Diseases
- •5.9.1 Cardiomyopathies (CMP)
- •5.9.1.1 Hypertrophic CMP
- •5.9.1.2 Hypertrophic Obstructive CMP (HOCMP)
- •5.9.1.3 Dilated (Congestive) CMP
- •5.9.1.4 Restrictive CMP
- •5.9.2 Acute Myocarditis
- •5.9.3 Acute (Infective) Endocarditis
- •5.9.4 Pericarditis/Pericardial Effusion
- •5.9.5 Kawasaki Disease
- •5.9.6 Intracardiac Thrombi
- •5.9.7 Cardiac Tumours
- •5.10 Complementing Investigations
- •5.10.1 Cardiac Catherisation and Angiography
- •5.10.2 Cardiac MRI and CT
- •5.11 When to Do What
- •5.11.1 Imaging in Typical Clinical Scenarios
- •5.11.1.1 Typical Orientating Examination
- •5.11.1.2 Typical Clinical Queries
- •5.11.2 Trauma and Emergency
- •6: Ultrasound of the Chest
- •6.1 Requisites
- •6.1.1 Transducers
- •6.1.2 Positioning
- •6.1.3 Indications
- •6.1.4 How to Perform Chest US
- •6.2 Normal Findings
- •6.2.1 Chest Wall
- •6.2.2 Breast
- •6.2.3 Pleural Space
- •6.2.4 Diaphragm
- •6.2.5 Lung
- •6.2.6 Mediastinum
- •6.2.6.1 Anterior Mediastinum/Thymus
- •6.2.6.2 Middle Mediastinum
- •6.2.6.3 Posterior Mediastinum
- •6.2.7 CDS
- •6.3 Pathology of Chest Wall
- •6.3.1 Aplasia, Variations of Ribs
- •6.3.2 Congenital Malformations
- •6.3.3 Traumatic Changes
- •6.3.4 Chest Wall Tumours
- •6.3.4.1 Lymphangioma (veno-lymphatic vascular malformation)
- •6.3.4.2 Lipoma
- •6.3.4.3 Fibroma/Neurofibroma
- •6.3.4.4 Other Tumours
- •6.3.5 Breast
- •6.3.6 Role of US and Additional Imaging
- •6.4 Pathology of Pleural Space
- •6.4.1 Pleural Effusion
- •6.4.2 Empyema
- •6.4.3 Other Pleural Pathology
- •6.4.4 Role of Imaging
- •6.5 Pathology of Diaphragm
- •6.5.1 Diaphragmatic Hernia
- •6.5.2 Diaphragmatic Motion Disturbance
- •6.5.3 Role and Potential of Imaging
- •6.6 Lung Pathology
- •6.6.1 Pneumonia
- •6.6.2 Lung Abscess
- •6.6.3 Atelectasis
- •6.6.5 Sequestration
- •6.6.6 Congenital Cystic Adenomatoid Malformation (CCAM)
- •6.6.7 Cysts
- •6.6.8 Infarction
- •6.6.9 Tumours and Space-Occupying Lesions
- •6.7 Other Miscellaneous and Rare Applications
- •Many More Partially Rare Applications Reported: Most Relevant Ones
- •6.7.1 US for Interstitial Lung Disease
- •6.7.2 US for Pneumothorax
- •6.8 Additional Imaging
- •7: Liver and Bile System
- •7.1 Requisites and Investigation
- •7.1.1 Preparation
- •7.1.2 Positioning
- •7.1.3 Transducers
- •7.1.4 Course of Investigation
- •7.1.5 Standard Planes
- •7.2 Normal Findings
- •7.2.1 Structure
- •7.2.2 Ligaments
- •7.2.3 Hepatic Veins (HV)
- •7.2.4 Portal Vein (PV)
- •7.2.5 Hepatic Artery (HA)
- •7.2.6 Gall Bladder
- •7.2.8 Intrahepatic Bile Ducts
- •7.2.9 Doppler Findings
- •7.2.9.1 Hepatic Veins (HV)
- •7.2.9.2 Portal Vein (PV)
- •7.2.9.3 Hepatic Artery (HA)
- •7.2.10 Special Aspects of Newborns and Infants
- •7.3 Pathology of the Liver
- •7.3.1 Congenital Changes and Normal Variance
- •7.3.1.1 Situs Inversus (Abdominalis)
- •7.3.1.2 Butterfly or Midline Liver
- •7.3.1.3 Hypoplasia/Atrophy of Left Liver Lobe and Other Variations
- •7.3.2 Inflammatory Conditions
- •7.3.2.1 Hepatitis
- •7.3.2.2 Liver Abscess
- •7.3.2.3 Granulomatous Disease
- •7.3.2.4 Role of US
- •7.3.3 Other Parenchymal Liver Disease
- •7.3.3.1 Hepatopathy
- •Fatty Liver/Steatosis
- •Liver Congestion
- •7.3.3.2 Liver Fibrosis
- •7.3.3.3 Cirrhotic Liver
- •7.3.3.4 Liver Involvement in Systemic Disease
- •Cystic fibrosis
- •Glycogen storage disease
- •Tyrosinaemia
- •Wilson disease
- •α1-antitrypsin deficiency
- •Haemosiderosis
- •7.3.3.5 Role of US
- •7.3.4 Portal Hypertension and Vascular Problems
- •7.3.4.1 Portal Hypertension
- •7.3.4.2 Vascular Malformations
- •7.3.4.3 Portal vein and hepatic artery stenosis
- •7.3.4.5 Hepatic vein thrombosis/occlusion/stenosis
- •Budd-Chiari syndrome
- •Veno-occlusive disease (VOD)
- •Increased right atrial/intrathoracic pressure
- •7.3.4.6 Portosystemic Shunts
- •7.3.5 Liver Trauma
- •7.3.5.1 Liver Haematoma
- •7.3.5.2 Contusion
- •7.3.5.3 Laceration
- •7.3.5.4 Haemobilia
- •7.3.5.5 Associated Diaphragmatic Injury
- •7.3.5.6 Liver Infarction
- •7.3.5.7 Role of US in Liver Trauma
- •7.3.5.8 Additional Imaging
- •7.3.6 Space-Occupying Liver Lesions
- •7.3.6.1 Simple Cysts
- •7.3.6.2 Complicated Cysts
- •7.3.6.3 Liver Calcifications
- •7.3.6.4 Intrahepatic Gas
- •7.3.6.5 Haemangioma
- •7.3.6.6 Mesenchymal Hamartoma
- •7.3.6.7 Focal Nodular Hyperplasia (FNH)
- •7.3.6.8 Hepatic Adenoma
- •7.3.6.9 Fatty Tumours
- •7.3.6.10 Hepatoblastoma
- •7.3.6.11 Hepatocellular Carcinoma
- •7.3.6.12 Hepatic Sarcomas
- •Embryonal Cell Sarcoma
- •Rhabdomyosarcoma
- •Angiosarcoma
- •Hepatic Leiomyosarcoma
- •7.3.6.13 Metastasis
- •7.3.6.14 Proliferative Disorders
- •7.3.6.15 Role of US
- •7.3.6.16 Additional Imaging
- •7.4 Biliary Tract and Gall Bladder
- •7.4.1 General Findings
- •7.4.2 Congenital Conditions and Normal Variants of Biliary Tract
- •7.4.2.1 Intrahepatic Gall Bladder
- •7.4.2.3 Choledochal cyst
- •7.4.3 Biliary Tract Diseases
- •7.4.3.1 Aerobilia
- •7.4.3.2 Cholestatic Changes/Inspissated Bile/Gall \stone
- •7.4.3.3 Sclerosing cholangitis
- •7.4.3.4 Other Forms of Cholangitis and Cholecystitis
- •7.4.4 Tumour-Like Conditions
- •7.4.4.1 Polyps
- •7.4.4.2 Tumours
- •Cholangiocellular Tumours
- •Granular Cell Tumour
- •7.4.5 Role of US
- •7.4.5.1 Cholestasis and Jaundice
- •7.4.5.2 Malformations
- •7.4.5.3 Trauma
- •7.4.5.4 Postoperative Conditions
- •7.4.5.5 Metabolic Disease
- •7.4.7 Additional Imaging
- •7.5 US in Liver Transplantation
- •7.5.1 Pretransplant US
- •7.5.1.1 Recipient Evaluation
- •7.5.2 Intraoperative US
- •7.5.3 Postoperative Assessment
- •7.5.4 Typical Complications
- •8: Spleen and Pancreas
- •8.1 Spleen
- •8.1.1 Requisites
- •8.1.2 Positioning
- •8.1.3 Indications
- •8.1.4 Course of Investigation
- •8.1.5 Normal Anatomy
- •8.1.6 Normal Variants
- •8.1.6.1 Splenunculus (Accessory Spleen)
- •8.1.6.2 Splenic Lobulations and Clefts
- •8.1.7 Malformations
- •8.1.7.1 Asplenia
- •8.1.7.2 Polysplenia Syndrome
- •8.1.7.3 Wandering Spleen
- •8.1.8 Splenomegaly
- •8.1.9 Trauma
- •8.1.10 Splenic Infarction
- •8.1.11 Space-Occupying Lesions of the Spleen
- •8.1.11.1 Cysts
- •8.1.11.2 Abscess
- •8.1.11.3 Tumours and Space-Occupying Lesions
- •8.1.11.4 Role of US
- •8.2 Pancreas
- •8.2.1 Requisites
- •8.2.2 Indication
- •8.2.3 Course of Investigation
- •8.2.4 Normal Findings
- •8.2.5 Variations and Malformations
- •8.2.5.1 Annular Pancreas
- •8.2.5.2 Pancreas Divisum
- •8.2.6 Inflammation: Pancreatitis
- •8.2.6.1 Oedematous or Reactive Pancreatitis
- •8.2.6.2 Haemorrhagic or Necrotising Pancreatitis
- •8.2.6.3 Chronic Pancreatitis
- •8.2.7 Trauma
- •8.2.8 Space-Occupying Lesions
- •8.2.8.1 Cysts/Pseudocysts
- •8.2.8.2 Tumours
- •8.2.9 Role of US
- •8.2.10 Additional Imaging
- •8.3.1 Abdominal Vessels
- •8.3.1.1 Positioning
- •8.3.1.2 Transducers
- •8.3.1.3 How to Investigate
- •8.3.1.4 US Findings
- •8.3.1.5 Important Variants and Malformations
- •8.3.2 Vascular Pathology
- •8.3.2.1 Thrombosis/Occlusion
- •8.3.2.2 Pelvic Congestion Syndrome
- •8.3.2.3 Mid-aortic Syndrome
- •8.3.2.4 Retroaortic Left Renal Vein: Nutcracker Syndrome (see Chap. 10)
- •8.3.2.6 Arteriosclerotic Changes and Aneurysms
- •8.3.2.7 Embolic Thrombus to Abdominal Aorta
- •8.3.2.8 Role of US
- •8.3.2.9 Complementing Imaging
- •8.3.3 Mesentery
- •8.3.3.1 Mesenteric (Peritoneal) Masses
- •Cyst
- •Lymphatic Vascular Malformation and Other Tumours
- •8.3.3.2 Abscesses
- •8.3.3.3 Twisted Appendices Epiploica
- •8.3.4 Mesenteric Lymph Nodes
- •8.3.5 Free Intraperitoneal Air
- •8.3.6 Free Intraperitoneal Fluid: Ascites
- •8.3.7 Retroperitoneal Soft Tissues
- •8.3.7.1 Lymph Nodes
- •8.3.7.2 Retroperitoneal Tumours
- •8.3.8 Abdominal Wall
- •9: US of the Gastrointestinal (GI) Tract
- •9.1 Stomach
- •9.1.1 Requisites
- •9.1.2 How to Investigate
- •9.1.2.1 Access
- •9.1.2.2 Functional Assessment of Bowel and Stomach
- •9.1.3 Normal Findings
- •9.1.4 Normal Variants
- •9.1.5 Malformations
- •9.1.5.1 Microgastria
- •9.1.5.2 Pyloric Atresia
- •9.1.5.3 Congenital Hiatal Hernia
- •9.1.6 Pathologic Findings
- •9.1.6.1 Gastro-Oesophageal Reflux (GOER)
- •9.1.6.2 Hypertrophic Pyloric Stenosis (HPS)
- •9.1.6.3 Other Stomach Conditions
- •Gastritis/Ulcers
- •Bezoars and Foreign Bodies
- •Hyperplastic Gastric Mucosa
- •Menetrier’s Disease: Giant Hypertrophy of Gastric Mucosa
- •Eosinophilic Gastr(oenter)itis
- •Gastric Perforation
- •Granulomatous Disease
- •Duplication Cysts
- •Teratoma
- •Focal Foveolar Hyperplasia
- •Inflammatory Pseudotumour
- •Other Benign Tumours
- •Malignant Masses
- •9.1.7 Role of US
- •9.2 Bowel
- •9.2.1 Preparation and Requisites
- •9.2.2 Course of Investigation
- •9.2.3 Normal US Findings
- •9.2.4 Pathology
- •9.2.4.1 Congenital Anomalies
- •Atresia
- •Malrotation
- •Volvulus
- •Hirschsprung Disease/Neuronal Intestinal Dysplasia (NID)
- •Duplication/Diverticula
- •Meckel’s Diverticulum
- •9.2.5 Acquired Obstructive Pathology
- •9.2.5.1 Meconium Ileus
- •9.2.5.2 Midgut Volvulus
- •9.2.5.3 Sigma Volvulus
- •9.2.5.4 Hernia
- •9.2.5.5 Intussusception
- •9.2.5.6 Tumours
- •9.2.6 Inflammatory Conditions
- •9.2.6.1 Necrotising Enterocolitis (NEC)
- •9.2.6.2 Gastroenteritis
- •9.2.6.3 Henoch-Schönlein Purpura
- •9.2.6.4 Appendicitis
- •9.2.6.5 Crohn’s Disease
- •9.2.6.6 Colitis
- •9.2.6.7 Other Inflammatory Bowel Conditions
- •9.2.6.8 Bowel Trauma
- •10: Ultrasound of the Urogenital Tract
- •10.1 Requisites
- •10.1.1 Indications
- •10.1.2 Preparation
- •10.1.3 Transducers
- •10.1.4 Positioning
- •10.1.5 How to Investigate
- •10.1.5.1 Diuretic US
- •10.2 Normal Findings
- •10.2.1 Bladder
- •10.2.2 Kidney
- •10.2.2.1 Normal Variants
- •Duplex Kidney
- •Ectopic Kidneys
- •Renal Agenesis
- •Fusion Anomalies and Other Rare Findings
- •10.3 Pathology of the Kidney
- •10.3.1 Congenital Conditions
- •10.3.1.1 Dysplasia/Hypoplasia
- •10.3.1.2 Cystic Renal Disease
- •Inherited/Congenital Cystic Disease
- •Acquired Cystic Kidney Disease
- •10.3.1.3 Alteration of Urinary Drainage
- •Hydronephrosis (HN)
- •Ureteropelvic Junction Obstruction (UPJO)
- •Uretero-Vesical Junction Obstruction (UVJO)/Obstructive Megaureter (POM/MU)
- •Posterior Urethral Valve (PUV)
- •Vesico-Ureteric Reflux (VUR)
- •Secondary Obstruction
- •10.3.2 Inflammatory Renal Parenchymal Conditions
- •10.3.2.1 Pyelitis
- •10.3.2.2 Acute Pyelonephritis (aPN)/Interstitial Nephritis
- •10.3.2.3 Necrosis and Abscess Formation
- •10.3.2.4 Scarring
- •10.3.2.5 Tuberculosis
- •10.3.2.6 Xanthogranulomatous Pyelonephritis
- •10.3.2.7 Glomerulonephritis/Nephrotic Syndrome
- •10.3.3 Vascular Conditions
- •10.3.3.1 Renal Artery Stenosis
- •10.3.3.2 Arteriovenous Fistula (AVF)
- •10.3.3.3 Infarction
- •10.3.3.4 Renal Vein Thrombosis
- •10.3.4 Nephrocalcinosis
- •10.3.5 Urolithiasis
- •10.3.6 Other Important Renal Parenchymal Disease
- •10.3.6.1 Haemolytic Uremic Syndrome (HUS)
- •10.3.6.2 Glomerulonephritis/Nephrotic Syndrome
- •10.3.6.3 Scars, Cirrhotic Kidney
- •10.3.7 Renal Failure (RF)
- •10.3.8 Renal/Urinary Tract Trauma
- •10.3.9 Renal Tumours
- •10.3.9.1 Benign Tumours
- •10.3.9.2 Pre- or Semimalignant Tumours
- •10.3.9.3 Malignant Tumours
- •10.4 Renal Biopsy and Interventions
- •10.4.1 Renal Biopsy
- •10.4.2 Drainage/Nephrostomy
- •10.4.3 Postoperative Imaging
- •10.4.3.1 After VUR Treatment
- •Cystoscopic Treatment
- •Antireflux Surgery
- •10.4.3.2 Findings After Pyeloplasty
- •10.4.3.3 After Various Interventions
- •10.5 Renal Transplant
- •10.5.1 Normal US Findings in Renal Transplant
- •10.5.2 Pathologic US Findings
- •10.6 Adrenal Glands and Pararenal Space
- •10.6.1 General Remarks
- •10.6.2 Typical Normal US Finding
- •10.6.3 Pathologic Findings
- •10.6.3.1 Adrenal Gland Haemorrhage
- •10.6.3.2 Inflammatory Condition
- •10.6.3.3 Tumours
- •Adrenal Cysts
- •Adrenal Adenoma
- •Neuroblastoma
- •Ganglioneuroma
- •Phaeochromocytoma
- •Adrenal Carcinoma
- •Role of US
- •10.7 US of Urinary Bladder
- •10.7.1 Requisites
- •10.7.2 Pathologic Findings
- •10.7.2.1 Atypical Shape (Neurogenic Bladder, “Valve Bladder”)
- •10.7.2.2 Polyps
- •10.7.2.3 Bladder Tumours
- •10.7.2.4 Calcification in/of Bladder
- •10.7.2.5 Ureterocele
- •10.7.2.6 Persisting Urachus
- •10.7.2.7 Megaureter
- •10.7.2.8 Infravesical Obstruction
- •10.7.2.9 Inflammation
- •10.7.2.10 Traumatic Changes
- •10.7.2.11 Vesico-ureteric Reflux
- •10.7.3 Paravesical Changes
- •10.7.3.1 Abscess Formations
- •10.7.3.2 Tumours of Paravesical Region
- •10.7.3.3 Cystic Perivesical Structures
- •10.7.4 Role of US
- •10.8 US of Male Genitals
- •10.8.1 US Technique
- •10.8.2 Normal Findings
- •10.8.3 Common Pathologic Findings
- •10.8.3.1 Hydrocele
- •10.8.3.2 Undescended Testes
- •10.8.3.3 Varicocele
- •10.8.3.4 Cystic Dysplasia of Rete Testis and Seminal Vesicles
- •10.8.3.6 Microlithiasis
- •10.8.4 Inflammation – Orchitis, Ependymitis
- •10.8.5 Scrotal Trauma
- •10.8.6 Torsion
- •10.8.6.1 Torsion of Appendages
- •10.8.6.2 Inguinal Hernia
- •10.8.7 Testicular Tumours
- •10.8.8 Role of US and Additional Imaging
- •10.9 Female Genitals
- •10.9.1 Indications
- •10.9.2 Requisites
- •10.9.3 Transducers
- •10.9.4 How to Perform Investigation
- •10.9.5 Normal Findings
- •10.9.5.1 Sonogenitography
- •10.9.6 Pathologic Findings
- •10.9.6.1 Congenital Malformations
- •Vaginal Septum and Duplications
- •Vaginal Atresia
- •Vaginal Fistula
- •Other Vaginal Malformations
- •Vaginal Aplasia
- •Uterine Malformations
- •Ovarian Malformations
- •10.9.6.2 Inflammatory Conditions of Female Genitalia
- •10.9.6.3 Genital Tumours and Space-Occupying Lesions
- •Cysts
- •Teratoma
- •Other Genital Tumours
- •Rhabdomyosarcoma
- •10.9.6.4 Traumatic Changes
- •Ovarian Torsion
- •Pregnancy
- •10.9.6.6 Role of US/Additional Investigations
- •11: Small Part and Hip Ultrasound
- •11.1 Hip US
- •11.1.1 General Remarks
- •11.1.2 Examination Technique
- •11.1.2.1 Hip US According to Graf
- •11.1.2.2 Modified Graf Classification (Rosendahl)
- •11.1.2.3 Hip US According to Harcke
- •11.1.3 Normal Anatomy
- •11.1.3.1 US Criteria in Graf
- •11.1.3.2 Rosendahl Modification
- •11.1.3.3 Normal Findings During Harcke Investigation
- •11.1.3.5 Hip US in Older Children
- •11.1.4 Pathologic Findings
- •11.1.4.1 Developmental Dysplasia of the Hip (DDH)
- •11.2 Other Conditions of Hip Joint
- •11.2.1 Arthritis and Inflammation of Hip Joint
- •11.2.1.1 Capsular Thickening
- •11.2.1.2 Joint Fluid/Effusion
- •11.2.1.3 Hip Osteoarthritis
- •11.2.3 Perthes Disease
- •11.3 Investigation of Bones, Joints, Tendons
- •11.3.1 Requisites and Technique
- •11.3.2 Typical Normal Findings
- •11.3.3 Pathologic Findings
- •11.3.3.1 Fracture
- •11.3.3.2 Joint Effusion
- •Simple Effusion
- •Complicated Effusion
- •11.3.3.3 Arthritis
- •11.3.3.4 Trauma
- •Haematoma
- •Rupture of Tendon
- •11.3.3.5 Cysts
- •11.3.3.6 Inflammation
- •Myositis
- •Cellulitis
- •Fasciitis
- •Tendinitis – Tendovaginitis/Synovitis
- •Osteomyelitis, Soft Tissue Abscess
- •11.3.3.7 Neoplasia
- •11.3.3.8 Foreign Bodies
- •11.3.3.9 Peripheral Nerves
- •11.4 US for Peripheral Vessels
- •11.5 US-Guided Interventions
- •Index

x
1.8 Doppler Sonography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
1.8.1 The Doppler Phenomenon . . . . . . . . . . . . . . . . . . . . . . . . . 27
1.8.2 Different Techniques and Applications of Doppler
Sonography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
1.8.3 Artefacts in (Colour) Doppler Sonography . . . . . . . . . . . . 34
1.8.4 How to Perform (Colour) Doppler Investigations . . . . . . . 37
1.8.5 Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
1.8.6 Interpretation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
1.9 Modern and Future US Methods and Techniques . . . . . . . . . . . . . 39
1.9.1 High-Resolution US (HR-US) . . . . . . . . . . . . . . . . . . . . . . 39
1.9.2 Image Compounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
1.9.3 Harmonic Imaging (HI) . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
1.9.4 Extended Field of View US . . . . . . . . . . . . . . . . . . . . . . . . 39
1.9.5 US Texture Analysis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
1.9.6 Sonoelastography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
1.9.7 US with Contrast Enhancement (Echo-Enhanced
US – ee-US, Contrast-Enhanced US – ce-US/CEUS) by
Ultrasound Contrast Media (US-CM) . . . . . . . . . . . . . . . . 42
1.9.8 Three- and Four-Dimensional US (3D-/4DUS) . . . . . . . . . 50
1.9.9 Potential Future for Other Modern Paediatric US
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Contents
2 Ultrasound-Guided Interventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
2.1 General Aspects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
2.1.1 Requisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
2.1.2 Precautions and Preparations . . . . . . . . . . . . . . . . . . . . . . . 60
2.2 US-Guided Filling of Structures for Diagnostic
or Therapeutic Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
2.2.1 General Remarks for Assessing Physiologic Cavities
(e.g. Bladder, Vagina, Intestines and Stomach) . . . . . . . . . 61
2.2.2 Diagnostic Sonographic Enema . . . . . . . . . . . . . . . . . . . . . 61
2.2.3 Therapeutic Sonographic Enema . . . . . . . . . . . . . . . . . . . . 62
2.2.4 US Genitography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
2.2.5 Contrast-Enhanced Voiding Urosonography (ce-VUS) . . . 64
2.2.6 Other Intracavitary Contrast Applications . . . . . . . . . . . . . 67
2.2.7 Intravenous ce-US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
2.3 Biopsies and Punctures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
2.4 Drainage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
2.5 Vascular Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
2.6 Lumbar Puncture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
2.7 Foreign Body Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Contents
3 Neurosonography in Neonates,
Infants and Children . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
3.1 Requisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
3.1.1 Equipment and Transducer Needs . . . . . . . . . . . . . . . . . . 78
3.1.2 Indications for Brain US . . . . . . . . . . . . . . . . . . . . . . . . . 79
3.1.3 How to Investigate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
3.2 Normal Findings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
3.2.1 Transfontanellar Access . . . . . . . . . . . . . . . . . . . . . . . . . . 81
3.2.2 Alternate Access Findings . . . . . . . . . . . . . . . . . . . . . . . . 83
3.2.3 Colour Doppler Sonography (CDS) . . . . . . . . . . . . . . . . . 84
3.2.4 Normal Variances in Preterm Babies . . . . . . . . . . . . . . . . 87
3.3 Pathologic Findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
3.3.1 Neural Tube Defects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
3.3.2 Migration and Gyration Alterations and Disturbances . . 94
3.3.3 Phakomatoses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
3.3.4 Cerebral Cysts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
3.3.5 Ischemic Encephalopathy . . . . . . . . . . . . . . . . . . . . . . . . . 100
3.3.6 Infl ammation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
3.3.7 Dilatation of CSF Spaces: Hydrocephalus . . . . . . . . . . . . 107
3.3.8 Cerebral Haemorrhage . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
3.3.9 Tumours and Space-Occupying Lesions . . . . . . . . . . . . . 119
3.3.10 Cerebral Calcifi cations . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
3.4 Ultrasound of the Skull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
3.4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
3.4.2 Haematoma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
3.4.3 Space-Occupying Lesions and Tumours . . . . . . . . . . . . . 123
3.4.4 Skull Fracture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
3.5 Additional Imaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
3.5.1 Plain Film . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
3.5.2 CT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
3.5.3 MRI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
3.5.4 Catheter Angiography . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
3.5.5 Additional Supporting Procedures . . . . . . . . . . . . . . . . . . 124
3.6 Ultrasound of the Eye and the Orbit . . . . . . . . . . . . . . . . . . . . . . . 124
3.6.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
3.6.2 Normal Findings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
3.6.3 Sonographically Depictable Pathology . . . . . . . . . . . . . . 125
3.7 Ultrasound of the Spinal Canal . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
3.7.1 Requisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
3.7.2 Transducers and Technique . . . . . . . . . . . . . . . . . . . . . . . 127
3.7.3 Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
xi

xii
Contents
3.7.4 Normal Findings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
3.7.5 Pathologic Findings of the Spinal Cord . . . . . . . . . . . . . . 130
3.7.6 Trauma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
3.7.7 Tumours . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
3.7.8 Other Spinal and Vertebral Pathology . . . . . . . . . . . . . . . 135
3.7.9 Additional Imaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
3.7.10 Value of US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
4 Ultrasound of the Neck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
4.1 Indications, Requisites and Techniques . . . . . . . . . . . . . . . . . . . . . 138
4.1.1 Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
4.1.2 Positioning and Handling . . . . . . . . . . . . . . . . . . . . . . . . . . 138
4.1.3 Typical Examinations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
4.2 Normal Findings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
4.2.1 Lymph Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
4.2.2 Cervical Glands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
4.2.3 Other Cervical Soft Tissues . . . . . . . . . . . . . . . . . . . . . . . . 143
4.2.4 Cervical Vessels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
4.3 Pathologic Findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
4.3.1 Lymph Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
4.3.2 Pathology of Cervical Soft Tissue . . . . . . . . . . . . . . . . . . . 146
4.3.3 Thyroid Gland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
4.3.4 Salivary Glands (Parotid, Sublingual,
Submandibular Gland) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
4.3.5 Cervical Vessels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
5 Basics of Paediatric Echocardiography . . . . . . . . . . . . . . . . . . . . . . . . 163
5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
5.2 Equipment Needs and Specifi c Considerations . . . . . . . . . . . . . . . 165
5.2.1 Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
5.2.2 Standard US Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . 165
5.2.3 Patient Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
5.2.4 Sedation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
5.3 Standard Planes and Standardised Course of Examination . . . . . . 165
5.4 Normal 2D Echocardiogram Findings . . . . . . . . . . . . . . . . . . . . . . 166
5.4.1 Parasternal Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
5.4.2 Apical Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
5.4.3 Subcostal Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
5.4.4 Suprasternal View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
5.5 Other Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
5.5.1 M (Motion)-Mode Echocardiography . . . . . . . . . . . . . . . . 170
5.5.2 Doppler Sonography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
5.5.3 Other Calculations and Functional Parameters . . . . . . . . . 171

Contents
5.6 Special Echocardiographic Techniques . . . . . . . . . . . . . . . . . . . . . 172
5.6.1 Transoesophageal Echocardiography (TEE) . . . . . . . . . . . 172
5.6.2 Three-Dimensional (3D) Echocardiography . . . . . . . . . . . 172
5.6.3 Tissue Doppler Imaging (TDI) . . . . . . . . . . . . . . . . . . . . . . 172
5.6.4 Contrast-Enhanced US . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
5.7 Normal Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
5.8 Pathologic Findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
5.8.1 Congenital Heart Defects with Left-to-Right Shunt . . . . . 173
5.8.2 Obstructions of Left Ventricular Outfl ow. . . . . . . . . . . . . . 177
5.8.3 Obstructions of the Right Ventricular Outfl ow . . . . . . . . . 179
5.8.4 Miscellaneous Congenital Heart Defects . . . . . . . . . . . . . . 181
5.9 Acquired Paediatric Heart Diseases . . . . . . . . . . . . . . . . . . . . . . . . 184
5.9.1 Cardiomyopathies (CMP) . . . . . . . . . . . . . . . . . . . . . . . . . 184
5.9.2 Acute Myocarditis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
5.9.3 Acute (Infective) Endocarditis . . . . . . . . . . . . . . . . . . . . . . 184
5.9.4 Pericarditis/Pericardial Effusion . . . . . . . . . . . . . . . . . . . . 185
5.9.5 Kawasaki Disease . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
5.9.6 Intracardiac Thrombi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
5.9.7 Cardiac Tumours . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
5.10 Complementing Investigations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
5.10.1 Cardiac Catherisation and Angiography . . . . . . . . . . . . . 186
5.10.2 Cardiac MRI and CT . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
5.11 When to Do What. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
5.11.1 Imaging in Typical Clinical Scenarios . . . . . . . . . . . . . . . 187
5.11.2 Trauma and Emergency . . . . . . . . . . . . . . . . . . . . . . . . . . 188
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6 Ultrasound of the Chest. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
6.1 Requisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
6.1.1 Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
6.1.2 Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
6.1.3 Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
6.1.4 How to Perform Chest US . . . . . . . . . . . . . . . . . . . . . . . . . 191
6.2 Normal Findings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
6.2.1 Chest Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
6.2.2 Breast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
6.2.3 Pleural Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
6.2.4 Diaphragm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
6.2.5 Lung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
6.2.6 Mediastinum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
6.2.7 CDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
6.3 Pathology of Chest Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
6.3.1 Aplasia, Variations of Ribs . . . . . . . . . . . . . . . . . . . . . . . . . 195
6.3.2 Congenital Malformations . . . . . . . . . . . . . . . . . . . . . . . . . 195

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6.3.3 Traumatic Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
6.3.4 Chest Wall Tumours . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
6.3.5 Breast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
6.3.6 Role of US and Additional Imaging. . . . . . . . . . . . . . . . . . 198
6.4 Pathology of Pleural Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
6.4.1 Pleural Effusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
6.4.2 Empyema . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
6.4.3 Other Pleural Pathology . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
6.4.4 Role of Imaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
6.5 Pathology of Diaphragm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
6.5.1 Diaphragmatic Hernia . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
6.5.2 Diaphragmatic Motion Disturbance . . . . . . . . . . . . . . . . . . 202
6.5.3 Role and Potential of Imaging . . . . . . . . . . . . . . . . . . . . . . 202
6.6 Lung Pathology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
6.6.1 Pneumonia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
6.6.2 Lung Abscess . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
6.6.3 Atelectasis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
6.6.4 Respiratory Distress Syndrome (RDS)/Hyaline
Membrane Syndrome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
6.6.5 Sequestration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
6.6.6 Congenital Cystic Adenomatoid Malformation (CCAM) . 207
6.6.7 Cysts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
6.6.8 Infarction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
6.6.9 Tumours and Space-Occupying Lesions . . . . . . . . . . . . . . 210
6.7 Other Miscellaneous and Rare Applications . . . . . . . . . . . . . . . . . 210
6.7.1 US for Interstitial Lung Disease . . . . . . . . . . . . . . . . . . . . . 210
6.7.2 US for Pneumothorax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
6.8 Additional Imaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Contents
7 Liver and Bile System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
7.1 Requisites and Investigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
7.1.1 Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
7.1.2 Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
7.1.3 Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
7.1.4 Course of Investigation . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
7.1.5 Standard Planes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
7.2 Normal Findings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
7.2.1 Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
7.2.2 Ligaments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
7.2.3 Hepatic Veins (HV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
7.2.4 Portal Vein (PV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
7.2.5 Hepatic Artery (HA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
7.2.6 Gall Bladder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
7.2.7 Common Bile Duct (Commonly Addressed
as Hepato- Choledochal Duct) . . . . . . . . . . . . . . . . . . . . . . 218

Contents
7.2.8 Intrahepatic Bile Ducts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
7.2.9 Doppler Findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
7.2.10 Special Aspects of Newborns and Infants . . . . . . . . . . . . . 220
7.3 Pathology of the Liver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
7.3.1 Congenital Changes and Normal Variance . . . . . . . . . . . . 222
7.3.2 Infl ammatory Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 223
7.3.3 Other Parenchymal Liver Disease . . . . . . . . . . . . . . . . . . . 225
7.3.4 Portal Hypertension and Vascular Problems . . . . . . . . . . . 230
7.3.5 Liver Trauma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
7.3.6 Space-Occupying Liver Lesions . . . . . . . . . . . . . . . . . . . . 237
7.4 Biliary Tract and Gall Bladder . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
7.4.1 General Findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
7.4.2 Congenital Conditions and Normal Variants
of Biliary Tract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
7.4.3 Biliary Tract Diseases . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
7.4.4 Tumour-Like Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 251
7.4.5 Role of US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
7.4.6 US-Guided Biopsy (See also Entry
Interventional US, Chap. 2) . . . . . . . . . . . . . . . . . . . . . . . . 253
7.4.7 Additional Imaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
7.5 US in Liver Transplantation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
7.5.1 Pretransplant US. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
7.5.2 Intraoperative US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
7.5.3 Postoperative Assessment . . . . . . . . . . . . . . . . . . . . . . . . . 254
7.5.4 Typical Complications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
xv
8 Spleen and Pancreas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
8.1 Spleen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
8.1.1 Requisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
8.1.2 Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
8.1.3 Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
8.1.4 Course of Investigation . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
8.1.5 Normal Anatomy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
8.1.6 Normal Variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
8.1.7 Malformations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
8.1.8 Splenomegaly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
8.1.9 Trauma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
8.1.10 Splenic Infarction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
8.1.11 Space-Occupying Lesions of the Spleen . . . . . . . . . . . . . . 265
8.2 Pancreas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
8.2.1 Requisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
8.2.2 Indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
8.2.3 Course of Investigation . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
8.2.4 Normal Findings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
8.2.5 Variations and Malformations . . . . . . . . . . . . . . . . . . . . . . 270

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Contents
8.2.6 Infl ammation: Pancreatitis . . . . . . . . . . . . . . . . . . . . . . . . . 270
8.2.7 Trauma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
8.2.8 Space-Occupying Lesions . . . . . . . . . . . . . . . . . . . . . . . . . 274
8.2.9 Role of US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
8.2.10 Additional Imaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
8.3 Retroperitoneum, Other Peritoneal and Retroperitoneal
Structures, Abdominal Vessels and Abdominal Wall. . . . . . . . . . . 276
8.3.1 Abdominal Vessels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
8.3.2 Vascular Pathology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
8.3.3 Mesentery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
8.3.4 Mesenteric Lymph Nodes . . . . . . . . . . . . . . . . . . . . . . . . . 283
8.3.5 Free Intraperitoneal Air . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
8.3.6 Free Intraperitoneal Fluid: Ascites . . . . . . . . . . . . . . . . . . . 285
8.3.7 Retroperitoneal Soft Tissues . . . . . . . . . . . . . . . . . . . . . . . 287
8.3.8 Abdominal Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288
9 US of the Gastrointestinal (GI) Tract. . . . . . . . . . . . . . . . . . . . . . . . . . 289
9.1 Stomach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
9.1.1 Requisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
9.1.2 How to Investigate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
9.1.3 Normal Findings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
9.1.4 Normal Variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
9.1.5 Malformations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
9.1.6 Pathologic Findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
9.1.7 Role of US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298
9.2 Bowel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298
9.2.1 Preparation and Requisites . . . . . . . . . . . . . . . . . . . . . . . . . 298
9.2.2 Course of Investigation . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
9.2.3 Normal US Findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
9.2.4 Pathology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
9.2.5 Acquired Obstructive Pathology . . . . . . . . . . . . . . . . . . . . 306
9.2.6 Infl ammatory Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 310
10 Ultrasound of the Urogenital Tract . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
10.1 Requisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
10.1.1 Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
10.1.2 Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
10.1.3 Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
10.1.4 Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
10.1.5 How to Investigate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
10.2 Normal Findings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
10.2.1 Bladder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
10.2.2 Kidney . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325

Contents
10.3 Pathology of the Kidney . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
10.3.1 Congenital Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
10.3.2 Infl ammatory Renal Parenchymal Conditions . . . . . . . . . . 344
10.3.3 Vascular Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348
10.3.4 Nephrocalcinosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352
10.3.5 Urolithiasis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353
10.3.6 Other Important Renal Parenchymal Disease . . . . . . . . . . 354
10.3.7 Renal Failure (RF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355
10.3.8 Renal/Urinary Tract Trauma . . . . . . . . . . . . . . . . . . . . . . . 355
10.3.9 Renal Tumours . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357
10.4 Renal Biopsy and Interventions . . . . . . . . . . . . . . . . . . . . . . . . . . . 359
10.4.1 Renal Biopsy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359
10.4.2 Drainage/Nephrostomy . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
10.4.3 Postoperative Imaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
10.5 Renal Transplant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363
10.5.1 Normal US Findings in Renal Transplant . . . . . . . . . . . . . 363
10.5.2 Pathologic US Findings . . . . . . . . . . . . . . . . . . . . . . . . . . . 364
10.6 Adrenal Glands and Pararenal Space . . . . . . . . . . . . . . . . . . . . . . . 365
10.6.1 General Remarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365
10.6.2 Typical Normal US Finding . . . . . . . . . . . . . . . . . . . . . . . . 365
10.6.3 Pathologic Findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
10.7 US of Urinary Bladder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370
10.7.1 Requisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370
10.7.2 Pathologic Findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
10.7.3 Paravesical Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376
10.7.4 Role of US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
10.8 US of Male Genitals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
10.8.1 US Technique . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
10.8.2 Normal Findings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378
10.8.3 Common Pathologic Findings . . . . . . . . . . . . . . . . . . . . . . 378
10.8.4 Infl ammation – Orchitis, Ependymitis . . . . . . . . . . . . . . . . 381
10.8.5 Scrotal Trauma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383
10.8.6 Torsion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383
10.8.7 Testicular Tumours . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384
10.8.8 Role of US and Additional Imaging. . . . . . . . . . . . . . . . . . 385
10.9 Female Genitals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 385
10.9.1 Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 385
10.9.2 Requisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386
10.9.3 Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386
10.9.4 How to Perform Investigation . . . . . . . . . . . . . . . . . . . . . . 386
10.9.5 Normal Findings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386
10.9.6 Pathologic Findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 388
xvii

xviii
Contents
11 Small Part and Hip Ultrasound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397
11.1 Hip US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 398
11.1.1 General Remarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 398
11.1.2 Examination Technique . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
11.1.3 Normal Anatomy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 402
11.1.4 Pathologic Findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404
11.2 Other Conditions of Hip Joint . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407
11.2.1 Arthritis and Infl ammation of Hip Joint . . . . . . . . . . . . . . . 407
11.2.2 (Femoral Head) Epiphysiolysis/Slipped
(Capital Femoral) Epiphysis . . . . . . . . . . . . . . . . . . . . . . . 408
11.2.3 Perthes Disease. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 409
11.3 Investigation of Bones, Joints, Tendons . . . . . . . . . . . . . . . . . . . . . 410
11.3.1 Requisites and Technique . . . . . . . . . . . . . . . . . . . . . . . . . . 410
11.3.2 Typical Normal Findings . . . . . . . . . . . . . . . . . . . . . . . . . . 411
11.3.3 Pathologic Findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412
11.4 US for Peripheral Vessels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 424
11.5 US-Guided Interventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 424
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 427

Theory and Basics
Michael Riccabona
Contents
1.1 Ultrasound (US) Physics ................................................................................................. 2
1.1.1 US Waves .......................................................................................................... 2
1.1.2 Propagation and Modulation of US .................................................................. 2
1.2 Practical Application in US Device ................................................................................. 4
1.2.1 Emission, Transmission, Reception and Amplification .................................... 4
1.2.2 Signal Processing .............................................................................................. 5
1.2.3 Components of US Device ................................................................................ 6
1.3 US Methods ..................................................................................................................... 9
1.3.1 A (Amplitude)-Mode ........................................................................................ 9
1.3.2 (T)M-Mode (Time-Motion-Mode).................................................................... 9
1.3.3 B (Brightness)-Mode ........................................................................................ 10
1.3.4 Doppler Sonography ......................................................................................... 11
1.4 Artefacts .......................................................................................................................... 11
1.4.1 General Remarks ............................................................................................... 11
1.4.2 Common Artefacts ............................................................................................ 12
1.5 Biologic Effects ............................................................................................................... 15
1.5.1 General Remarks ............................................................................................... 15
1.5.2 Thermal Effects ................................................................................................. 16
1.5.3 Mechanical Effects and Resonance ................................................................... 16
1.5.4 Potential Risks of Diagnostic US ...................................................................... 17
1.5.5 Various Methods and Indices That Allow Estimation
of Biological Risks ............................................................................................ 18
1.6 How to Perform Paediatric US ........................................................................................ 19
1.6.1 Requisites .......................................................................................................... 19
1.6.2 Positioning ........................................................................................................ 20
1.6.3 Device Handling ............................................................................................... 21
1.6.4 Transducer Selection ......................................................................................... 22
1.6.5 Course of Investigation and Measurements ...................................................... 23
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M. Riccabona
Division of Pediatric Radiology, Department of Radiology,
University Hospital Graz, Auenbruggerplatz 36,
Graz 8036, Austria
e-mail: michael.riccabona@klinikum-graz.at
M. Riccabona, Pediatric Ultrasound,
DOI 10.1007/978-3-642-39156-9_1, © Springer Berlin Heidelberg 2014
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