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Radiology · Neuroimaging: craniopharyngioma
Sample itemA 9-year-old child with headache and visual field defect has CT showing a suprasellar cystic mass with calcification. What is the most likely diagnosis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Craniopharyngioma
Craniopharyngiomas arise from Rathke pouch remnants and are usually suprasellar, cystic with solid parts, and calcified in up to 90 percent of children. They present with visual loss and endocrine deficiency. The adamantinomatous type has a bimodal age distribution.
Option by option
A. Optic glioma
An optic glioma enlarges the optic nerve without calcification.
B. Medulloblastoma
A medulloblastoma is in the posterior fossa.
C. Craniopharyngioma (correct)
Correct. A calcified suprasellar cystic mass in a child is a craniopharyngioma.
D. Pituitary macroadenoma
A macroadenoma is rarely calcified and uncommon in this age group.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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