PS-2020a / part16

113078​

Maximum intensity projection​

Values are derived by maximum intensity projection of​

acquired data.​

113079​

Minimum intensity projection​

Values are derived by minimum intensity projection of​

acquired data.​

113080​

Glutamate and glutamine​

Forsingle-protonMRspectroscopy,theresonancepeak​

corresponding to glutamate and glutamine.​

113081​

Choline/Creatine Ratio​

For single-proton MR spectroscopy, the ratio between​

the Choline and Creatine resonance peaks.​

113082​

N-acetylaspartate /Creatine​

For single-proton MR spectroscopy, the ratio between​

Ratio​

the N-acetylaspartate and Creatine resonance peaks.​

113083​

N-acetylaspartate/CholineRatio​For single-proton MR spectroscopy, the ratio between​

the N-acetylaspartate and Choline resonance peaks.​

113084​

Tmax​

The time delay to the maximum of the residue function​

after deconvolution.​

Shih LC, Saver JL, Alger JR, Starkman S, Leary MC,​

Vinuela F, et al. Perfusion-Weighted Magnetic​

Resonance Imaging Thresholds Identifying Core,​

Irreversibly Infarcted Tissue. Stroke. 2003 Jun​

1;34(6):1425-30.​

doi:10.1161/01.STR.0000072998.70087.E9. http://​

stroke.ahajournals.org/content/34/6/1425.abstract​

Østergaard L, Weisskoff RM, Chesler DA, Gyldensted​

C, Rosen BR. High resolution measurement of cerebral​

blood flow using intravascular tracer bolus passages.​

Part I: Mathematical approach and statistical analysis.​

Magnetic Resonance in Medicine. 1996;36(5):715-25.​

doi:10.1002/mrm.1910360510. http://​

onlinelibrary.wiley.com/doi/10.1002/mrm.1910360510/​

abstract​

113085​

Spatial resampling​

Values are derived by spatial resampling of acquired​

data.​

113086​

Edge enhancement​

Values are derived by edge enhancement.​

113087​

Smoothing​

Values are derived by smoothing.​

113088​

Gaussian blur​

Values are derived by Gaussian blurring.​

113089​

Unsharp mask​

Values are derived by unsharp masking.​

113090​

Image stitching​

Values are derived by stitching two or more images​

together.​

113091​

Spatially-related frames​

Spatially-related frames in this image are representative​

extracted from the volume​

frames from the referenced 3D volume data.​

113095​ Lipid and Lactate​

Forsingle-protonMRspectroscopy,theresonancepeak​

corresponding to lipid and lactate.​

113097​ Multi-energy proportional​

Image pixels created through proportional weighting of​

weighting​

multiple acquisitions at distinct X-Ray energies.​

113101​ Clean Pixel Data Option​

Additionalde-identificationaccordingtoanoptiondefined​

in PS3.15 that requires any information burned in to the​

Pixel Data corresponding to the Attribute information​

specified to be removed by the Profile and any other​

Options specified also be removed.​

113102​

Clean Recognizable Visual​

Additionalde-identificationaccordingtoanoptiondefined​

Features Option​

inPS3.15thatrequiresthatsufficientremovalordistortion​

of the Pixel Data shall be applied to prevent recognition​

of an individual from the instances themselves or a​

reconstruction of a set of instances.​

113103​

Clean Graphics Option​

Additionalde-identificationaccordingtoanoptiondefined​

in PS3.15 that requires that any information encoded in​

graphics, text annotations or overlays corresponding to​

DICOM PS3.16 2020a - Content Mapping Resource​

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Code Value​

Code Meaning​

Definition​

Notes​

113105​ Clean Descriptors Option​

Additionalde-identificationaccordingtoanoptiondefined​

in PS3.15 that requires that any information that is​

embedded in text or string Attributes corresponding to​

the Attribute information specified to be removed by the​

ProfileandanyotherOptionsspecifiedalsoberemoved.​

Information Modified Dates​

during de-identification according to an option defined in​

Option​

PS3.15 that requires that any dates and times be​

modified in a manner that preserves temporal​

relationships. E.g., Study Date and Time.​

113110​ Retain UIDs Option​

Retentionofinformationthatwouldotherwiseberemoved​

during de-identification according to an option defined in​

PS3.15 that requires that UIDs be retained. E.g., SOP​

Instance UID.​

113111​ Retain Safe Private Option​

Retentionofinformationthatwouldotherwiseberemoved​

during de-identification according to an option defined in​

PS3.15thatrequiresthatprivateattributesthatareknown​

not to contain identity information be retained. E.g.,​

private SUV scale factor.​

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Code Value​

Code Meaning​

Definition​

Notes​

113132​

Single subject selected from​

A single subject that has been selected from amongst​

group​

multiple subjects (e.g., a group of animals imaged​

simultaneously).​

113201​

Trace​

Sum of the diffusion tensor eigenvalues.​

I.e.: Tr = λ1+ λ2+ λ3, where λ1 ≥ λ2 ≥ λ3.​

Reference: Winston GP. The physical and biological​

basis of quantitative parameters derived from diffusion​

MRI. Quantitative Imaging in Medicine and Surgery.​

2012;2(4) :254-265.​

doi:10.3978/j.issn.2223-4292.2012.12.05. (http://​

www.ncbi.nlm.nih.gov/pmc/articles/PMC3533595/)​

113202​

Mean Diffusivity​

Average of the diffusion tensor eigenvalues in all​

directions.​

I.e.: MD = (λ1+ λ2+ λ3) /3​

Reference: Winston GP. The physical and biological​

basis of quantitative parameters derived from diffusion​

MRI. Quantitative Imaging in Medicine and Surgery.​

2012;2(4) :254-265.​

doi:10.3978/j.issn.2223-4292.2012.12.05. (http://​

www.ncbi.nlm.nih.gov/pmc/articles/PMC3533595/)​

113203​

Radial Diffusivity​

Average of the two non-principal (i.e., perpendicular)​

diffusion tensor eigenvalues(also known as transverse​

diffusivity, perpendicular diffusivity).​

I.e.: DR= (λ2+ λ3) /2​

Reference: Winston GP. The physical and biological​

basis of quantitative parameters derived from diffusion​

MRI. Quantitative Imaging in Medicine and Surgery.​

2012;2(4) :254-265.​

doi:10.3978/j.issn.2223-4292.2012.12.05. (http://​

www.ncbi.nlm.nih.gov/pmc/articles/PMC3533595/)​

113204​

Axial Diffusivity​

Diffusion tensor eigenvalue of the principal axis (also​

known as longitudinal diffusivity, parallel diffusivity).​

Reference:TabeshA,JensenJH,ArdekaniBA,Helpern​

JA.EstimationofTensorsandTensor-DerivedMeasures​

in Diffusional Kurtosis Imaging. Magnetic Resonance in​

Medicine.2011;65(3):823-836.doi:10.1002/mrm.22655.​

(http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3042509/)​

Reference: Liu C, Mang SC, Moseley ME. In​

VivoGeneralizedDiffusionTensorImaging(GDTI)Using​

Higher-Order Tensors (HOT). Magnetic resonance in​

medicine : official journal of the Society of Magnetic​

ResonanceinMedicine/SocietyofMagneticResonance​

in Medicine. 2010;63(1) :243-252.​

doi:10.1002/mrm.22192. (http://www.ncbi.nlm.nih.gov/​

pmc/articles/PMC2824337/)​

113206​

Apparent Kurtosis Coefficient​ AKC = diffusional kurtosis in a given direction​

Reference: Liu C, Mang SC, Moseley ME. In​

VivoGeneralizedDiffusionTensorImaging(GDTI)Using​

Higher-Order Tensors (HOT). Magnetic resonance in​

medicine : official journal of the Society of Magnetic​

ResonanceinMedicine/SocietyofMagneticResonance​

in Medicine. 2010;63(1) :243-252.​

doi:10.1002/mrm.22192. (http://www.ncbi.nlm.nih.gov/​

pmc/articles/PMC2824337/)​

113207​

Radial Kurtosis​

KR = diffusional kurtosis perpendicular to the direction​

of the highest diffusion (also known as transverse​

kurtosis, perpendicular kurtosis)​

Reference:TabeshA,JensenJH,ArdekaniBA,Helpern​

JA.EstimationofTensorsandTensor-DerivedMeasures​

in Diffusional Kurtosis Imaging. Magnetic Resonance in​

Medicine.2011;65(3):823-836.doi:10.1002/mrm.22655.​

(http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3042509/)​

113208​

Axial Kurtosis​

KA = diffusional kurtosis in the direction of the highest​

diffusion (also known as longitudinal kurtosis, parallel​

kurtosis)​

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Code Value​

Code Meaning​

Definition​

Notes​

113211​

DeterministicTrackingAlgorithm​Tracking based on local directionality​

global connectivity likelihood​

Reference: Descoteaux M, Deriche R, Knösche TR,​

AnwanderA.Deterministicandprobabilistictractography​

based on complex fibre orientation distributions. IEEE​

Trans Med Imaging.2009; 28(2) :269-86 (http://​

www.ncbi.nlm.nih.gov/pubmed/19188114)​

113213​

Global Tracking Algorithm​

Tracking allfibers simultaneously, searching for a global​

optimum.​

Reference:ReisertM,MaderI,AnastasopoulosC,Weigel​

M, Schnell S, Kiselev V. Global fiber reconstruction​

becomes practical. NeuroImage. 2011 Jan 15;54(2)​

:955-62.(http://www.ncbi.nlm.nih.gov/pubmed/20854913)​

113214​

FACT​

Fiber Assessment by Continuous Tracking​

Reference: Mori S, Crain BJ, Chacko VP, van Zijl PC.​

Three-dimensional tracking of axonal projections in the​

brainbymagneticresonanceimaging.AnnNeurol.1999​

Feb;45(2) :265-9 (http://www.ncbi.nlm.nih.gov/pubmed/​

9989633)​

Reference: Descoteaux M, Deriche R, Knösche TR,​

AnwanderA.Deterministicandprobabilistictractography​

based on complex fibre orientation distributions. IEEE​

Trans Med Imaging.2009; 28(2) :269-86 (http://​

www.ncbi.nlm.nih.gov/pubmed/19188114)​

113215​

Streamline​

Streamline tracking techniques (STT)​

Reference: Basser PJ, Pajevic S, Pierpaoli C, Duda J,​

AldroubiA.InvivofibertractographyusingDT-MRIdata.​

Magn Reson Med. 2000 Oct;44(4) :625-32 (http://​

www.ncbi.nlm.nih.gov/pubmed/11025519)​

113216​

TEND​

Tensor Deflection​

Reference: Lazar M, Weinstein DM, Tsuruda JS, Hasan​

KM, Arfanakis K, Meyerand ME, Badie B, Rowley HA,​

Haughton V, Field A, Alexander AL. White matter​

tractographyusingdiffusiontensordeflection.HumBrain​

Mapp.2003 Apr;18(4) :306-21. (http://​

www.ncbi.nlm.nih.gov/pubmed/12632468)​

Reference: Jones DK, Pierpaoli C. Confidence mapping​

in diffusion tensor magnetic resonance imaging​

tractography using a bootstrap approach. Magn Reson​

Med.2005 May;53(5) :1143-9. (http://​

www.ncbi.nlm.nih.gov/pubmed/15844149)​

113218​

Euler​

Integration method, 1st order​

Reference: Basser PJ, Pajevic S, Pierpaoli C, Duda J,​

AldroubiA.InvivofibertractographyusingDT-MRIdata.​

Magn Reson Med. 2000 Oct;44(4) :625-32 (http://​

www.ncbi.nlm.nih.gov/pubmed/11025519)​

Reference: Descoteaux M, Deriche R, Knösche TR,​

AnwanderA.Deterministicandprobabilistictractography​

based on complex fibre orientation distributions. IEEE​

Trans Med Imaging.2009; 28(2) :269-86 (http://​

www.ncbi.nlm.nih.gov/pubmed/19188114)​

113219​

Runge-Kutta​

Integration method, 2nd or 4th order​

Reference: Basser PJ, Pajevic S, Pierpaoli C, Duda J,​

AldroubiA.InvivofibertractographyusingDT-MRIdata.​

Magn Reson Med. 2000 Oct;44(4) :625-32 (http://​

www.ncbi.nlm.nih.gov/pubmed/11025519)​

113221​

HARDI​

High Angular Resolution Diffusion Imaging​

Reference: Tuch DS, Reese TG, Wiegell MR, Makris N,​

Belliveau JW, Wedeen VJ. High angular resolution​

diffusion imaging reveals intravoxel white matter fiber​

heterogeneity.MagnResonMed.2002Oct;48(4):577-82.​

(http://www.ncbi.nlm.nih.gov/pubmed/12353272)​

Reference: Descoteaux M, Deriche R, Knösche TR,​

AnwanderA.Deterministicandprobabilistictractography​

based on complex fibre orientation distributions. IEEE​

Trans Med Imaging.2009; 28(2) :269-86 (http://​

www.ncbi.nlm.nih.gov/pubmed/19188114)​

113222​

DKI​

Diffusion(al) Kurtosis Imaging​

Reference: Jensen JH, Helpern JA, Ramani A, Lu H,​

Kaczynski K. Diffusional kurtosis imaging: the​

quantification of non-gaussian water diffusion by means​

ofmagneticresonanceimaging.MagnResonMed.2005​

Jun;53(6) :1432-40. (http://www.ncbi.nlm.nih.gov/​

pubmed/15906300)​

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Code Value​

Code Meaning​

Definition​

Notes​

113223​ DTI​

Diffusion Tensor Imaging​

Reference: Winston GP. The physical and biological​

basis of quantitative parameters derived from diffusion​

MRI. Quantitative Imaging in Medicine and Surgery.​

2012;2(4) :254-265.​

doi:10.3978/j.issn.2223-4292.2012.12.05. (http://​

www.ncbi.nlm.nih.gov/pmc/articles/PMC3533595/)​

113224​

DSI​

Diffusion Spectrum Imaging​

Reference: Wedeen VJ, Wang RP, Schmahmann JD,​

Benner T, Tseng WY, Dai G, Pandya DN, Hagmann P,​

D'Arceuil H, de Crespigny AJ. Diffusion spectrum​

magnetic resonance imaging (DSI) tractography of​

crossingfibers.Neuroimage.2008Jul15;41(4):1267-77.​

doi:10.1016/j.neuroimage.2008.03.036. (http://​

www.ncbi.nlm.nih.gov/pubmed/18495497)​

Reference: Hagmann P, Jonasson L, Maeder P, Thiran​

JP, Wedeen VJ, Meuli R. Understanding diffusion MR​

imaging techniques: from scalar diffusion-weighted​

imaging to diffusion tensor imaging and beyond.​

Radiographics.2006 Oct;26 Suppl 1:S205-23. (http://​

www.ncbi.nlm.nih.gov/pubmed/17050517)​

113225​

LSDI​

Line Scan Diffusion Imaging sequence​

Reference: Gudbjartsson H, Maier SE, Mulkern RV,​

Mórocz IA, Patz S, Jolesz FA. Line scan diffusion​

imaging. Magn Reson Med.1996 Oct;36(4) :509-19.​

(http://www.ncbi.nlm.nih.gov/pubmed/8892201)​

113226​

Single Shot EPI​

An Echo Planar Imaging sequence in which the entire​

range of phase encoding steps is acquired in one​

repetition.​

Reference: Turner R, Le Bihan D, Chesnick AS.​

Echo-planar imaging of diffusion and perfusion. Magn​

Reson Med.1991 Jun;19(2) :247-53. (http://​

www.ncbi.nlm.nih.gov/pubmed/1881311)​

113227​

Multi Shot EPI​

An Echo Planar Imaging sequence in which separate​

parts of the range of phase encoding steps are acquired​

in multiple repetitions.​

Reference: Pruessmann KP, Weiger M, Scheidegger​

MB, Boesiger P. SENSE: sensitivity encoding for fast​

MRI. Magn Reson Med.1999 Nov;42(5) :952-62. (http://​

www.ncbi.nlm.nih.gov/pubmed/10542355)​

Reference: Deshmane A, Gulani V, Griswold MA,​

Seiberlich N. Parallel MR imaging. J Magn Reson​

Imaging. 2012 Jul;36(1) :55-72. (http://​

www.ncbi.nlm.nih.gov/pubmed/22696125)​

113231​

Single Tensor​

Modeling anisotropic diffusion in a volume with a tensor​

followingaGaussiandistribution(sixdegreesoffreedom)​

Reference:BasserPJ,MattielloJ,LeBihanD.Estimation​

of the effective self-diffusion tensor from the NMR spin​

echo.JMagnResonB.1994Mar;103(3):247-54.(http://​

www.ncbi.nlm.nih.gov/pubmed/8019776)​

Reference:HagmannP1,JonassonL,MaederP,Thiran​

JP, Wedeen VJ, Meuli R. Understanding diffusion MR​

imaging techniques: from scalar diffusion-weighted​

imaging to diffusion tensor imaging and beyond.​

Radiographics.2006 Oct;26 Suppl 1:S205-23. (http://​

www.ncbi.nlm.nih.gov/pubmed/17050517)​

113232​

Multi Tensor​

Modeling anisotropic diffusion in a volume by fitting of​

multiple tensors​

Reference:OzarslanE,MareciTH.Generalizeddiffusion​

tensor imaging and analytical relationships between​

diffusion tensor imaging and high angular resolution​

diffusion imaging. Magn Reson Med.2003 Nov;50(5)​

:955-65.(http://www.ncbi.nlm.nih.gov/pubmed/14587006)​

Reference: Pasternak O, Assaf Y, Intrator N, Sochen N.​

Variational multiple-tensor fitting of fiber-ambiguous​

diffusion-weighted magnetic resonance imaging voxels.​

Magn Reson Imaging.2008 Oct;26(8) :1133-44.​

doi:10.1016/j.mri.2008.01.006. (http://​

www.ncbi.nlm.nih.gov/pubmed/18524529)​

113233​

Model Free​

Reconstruction of anisotropic diffusion in a volume​

without imposing an underlying statistical model​

(data-driven approach)​

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Code Value​

Code Meaning​

Definition​

Notes​

113234​

CHARMED​

Composite Hindered and Restricted Model of Diffusion​

Reference:AssafY,BasserPJ.Compositehinderedand​

restricted model of diffusion (CHARMED) MR imaging​

of the human brain. Neuroimage.2005 Aug 1;27(1)​

:48-58.(http://www.ncbi.nlm.nih.gov/pubmed/17050517)​

113236​

DOT​

Diffusion Orientation Transform​

Reference: Ozarslan E, Shepherd TM, Vemuri BC,​

Blackband SJ, Mareci TH. Resolution of complex tissue​

microarchitectureusingthediffusionorientationtransform​

(DOT). Neuroimage. 2006 Jul 1;31(3) :1086-103. Epub​

2006 Mar 20. (http://www.ncbi.nlm.nih.gov/pubmed/​

16546404)​

113237​

PAS​

Persistent Angular Structure​

Reference: Jansons KM, Alexander DC. Persistent​

Angular Structure: new insights from diffusion MRI data.​

Dummy version. Inf Process Med Imaging.2003​

Jul;18:672-83. (http://www.ncbi.nlm.nih.gov/pubmed/​

15344497)​

113238​

Spherical Deconvolution​

Amethodtoestimatethedistributionoffiberorientations​

by deconvolution of the diffusion-weighted signal​

attenuation measured over the surface of a sphere​

expressed as the convolution over the sphere of a​

response function.​

Reference: Tournier JD, Calamante F, Gadian DG,​

Connelly A. Direct estimation of the fiber orientation​

density function from diffusion-weighted MRI data using​

spherical deconvolution. NeuroImage. 2004 Nov;23(3)​

:1176-85. (http://www.ncbi.nlm.nih.gov/pubmed/​

15528117)​

113240​

Source image diffusion b-value​The diffusion sensitization factor (b value) used during​

acquisition of the source image used for a diffusion​

model.​

113241​

Model fitting method​

The method used to fit a set of data to a mathematical​

model. E.g., least squares.​