macroadenoma

macroadenoma
A pituitary adenoma larger than 10 mm in diameter.

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mac·ro·ad·e·no·ma .mak-rō-.ad-ən-'ō-mə n, pl -mas also -ma·ta -mət-ə an adenoma of the pituitary gland that is greater than ten millimeters in diameter

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mac·ro·ad·e·no·ma (mak″ro-ad″ə-noґmə) a pituitary adenoma over 10 mm in diameter, large enough to be easily visualized by usual radiologic techniques; most are null-cell adenomas and are detected because they exert pressure on surrounding structures. Cf. microadenoma.

Macroadenoma (m) arising from the sella turcica and extending upward to fill the suprasellar cistern, in a sagittal MRI scan.


Medical dictionary. 2011.

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