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Adrenal

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neuroblastoma

• most common solid abdominal mass of infancy (12% of all perinatal neoplasms)
• 3rd most common malignancy in infancy (after leukemia and CNS tumors)
• 2nd most common tumor in children (Wilms more common in older kids)

• adrenal gland (36%): bilateral in 7-10%
• extraadrenal in sympathetic chain (18%)
• thorax and posterior mediastinum (14%)
• neck (5%); pelvis (5%)
• skull, olfactory bulb, cerebellum, cerebrum: (2%)
• other sites (10%); unknown primary (10%)

see also: Hutchinson, Pepper, and blueberry muffin syndromes

Related CHORUS documents: Wilms tumor Ewing sarcoma blueberry muffin sign Pepper syndrome adrenal cyst Hutchinson syndrome