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WHO Classification of Tumours
Craniopharyngioma
Nasopharynx


Definition

A benign, partly cystic, epithelial tumor of the sellar region, presumably derived from Rathke pouch epithelium. It affects mainly children and young adults. There are two clinicopathological forms: adamantinomatous craniopharyngioma and papillary craniopharyngioma. Recent studies indicate that the age distribution and, to some extent, prognosis are different between these two variants {34}.