a brain tumour, situated above the sella turcica, that is derived from remnants of Rathke's pouch, the earliest detectable embryonic precursor of the pituitary gland. The patient may show raised intracranial pressure and diabetes insipidus due to reduced secretion of the hormone vasopressin. An X-ray of the skull typically shows calcification within the tumour and loss of the normal skull structure around the pituitary gland.

The new mediacal dictionary. 2014.

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  • Craniopharyngioma — Classification and external resources Micrograph of a craniopharyngioma (adamantinomatous). HPS stain. ICD 10 …   Wikipedia

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  • craniopharyngioma — A suprasellar neoplasm, which may be cystic, that develops from the nests of epithelium derived from Rathke pouch; the histologic pattern, similar to that observed in adamantinomas, consists of nesting of squamous epithelium bordered by radially… …   Medical dictionary

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  • craniopharyngioma — cra·nio·pha·ryn·gi·oma …   English syllables

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