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Pediatric_Oncology_A_Comprehensive_Guide.pdf
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10 Neuroblastoma

117

 

 

10.6.2 Symptoms Associated with Catecholamine Production

Paroxysmal attacks of sweating, flushing, pallor

Headache

Hypertension

Palpitations

VIP (Vasoactive Intestinal Peptides by high level of catecholamines) syndrome: untreatable diarrhea and low level of potassium caused by VIP in 5–10% of children

10.6.3 Paraneoplastic Syndromes

Opsoclonus: occurring mostly in well-differentiated neuroblastoma

Occasionally, anemia in children with bone marrow infiltration (associated with thrombocytopenia and leukocytopenia) or in children with massive intratumoral hemorrhage can be seen

10.6.4 Local Symptoms and Classic Signs

10.6.4.1 Eyes

Periorbital edema, swelling, and yellow–brown ecchymoses (aka raccoon eyes)

Proptosis and exophthalmos, strabismus, opsoclonus

Papillary edema, bleeding of the retina, atrophy of the optic nerve

10.6.4.2 Neck

Cervical lymphadenopathy

Supraclavicular tumor

Horner syndrome: enophthalmos, miosis, ptosis, anhydrosis

10.6.4.3Chest, Posterior Mediastinum, and Vertebrae

Compression of trachea: coughing, dyspnea

Infiltration in intervertebral foramina: dumbbell tumor

Compression of nerves: disturbances of gait, muscle weakness, paresthesia, bladder dysfunction, constipation (the latter symptoms indicate that emergency decompression is necessary)

10.6.4.4Abdomen

Retroperitoneal: intra-abdominal tumor, often firm on palpation; irregular mass, often crossing the midline

Paravertebral and presacral: tendency to grow into the intravertebral foramina, causing neurological dysfunction

Occasionally abdominal distension

Pelvic tumor: bladder or bowel compression

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