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2293 Anatomy

A 15-year-old male is admitted to the emergency department with severe headache and hydrocephalus. Radiographic examination reveals a craniopharyngioma occupying the sella turcica, primarily involving the suprasellar space. Which of the following is the most likely cause of this tumor?

APersistence of a small portion of the Rathke pouch (Correct Answer)
BAbnormal development of pars tuberalis
CAbnormal development of foramina of Monro
DAbnormal development of the alar plates that form the lateral wall of diencephalon