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USMLE · Question #433
USMLE Question #433: Real Exam Question with Answer & Explanation
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Question
A 5-year-old girl is thoroughly evaluated because of growth failure. The child has been complaining of headaches, which are exacerbated when she tries to read. Funduscopic examination reveals papilledema. CT scan demonstrates a mass involving the area above and within the sella turcica. Surgical resection of the mass yields a multiloculated cystic and solid tumor containing dark brown, oily fluid. This tumor is thought to arise from epithelial rests derived from which of the following structures?
Options
- AHypothalamus
- BPineal gland
- CPosterior pituitary gland
- DRathke's pouch
- ESuperior colliculus
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