oncocytoma

on·co·cy·to·ma

(ong'kō-sī-tō'mă), [MIM*553000] A glandular tumor composed of large cells with cytoplasm that is granular and eosinophilic because of the presence of abundant mitochondria; occurs uncommonly in the kidney, salivary glands, and endocrine glands. Synonym(s): oxyphil adenoma [onco- + G. kytos, cell, + -oma, tumor]

oncocytoma

A usually benign tumor characterized by aggregates of bland pink cells Locations Bronchial, lacrimal, salivary, parathyroid, and thyroid glands–Hürthle cell adenoma, anterior pituitary, kidney; rarely, malignant oncocytomas occur in salivary glands, nasal cavity, paranasal sinuses, mediastinum and thyroid and kidneys DiffDx Oncocytic CA of pancreas, oncocytic carcinoid of lungs, clinically similar to 'garden variety' carcinoid, oncocytosis of salivary gland, an age-related hyperplasia

on·co·cy·to·ma

(ong'kō-sī-tō'mă) [MIM*553000] A glandular tumor composed of large cells with cytoplasm that is granular and eosinophilic because of the presence of abundant mitochondria; occurs uncommonly in the kidney and salivary and endocrine glands.

单词	oncocytoma
释义	oncocytoma oncocytoma [‚äŋ·kō·sī′tō·mə] (medicine) A benign tumor composed principally of oncocytes; usually occurs in salivary glands. oncocytoma on·co·cy·to·ma (ong'kō-sī-tō'mă), [MIM553000] A glandular tumor composed of large cells with cytoplasm that is granular and eosinophilic because of the presence of abundant mitochondria; occurs uncommonly in the kidney, salivary glands, and endocrine glands. Synonym(s): oxyphil adenoma [onco- + G. kytos,* cell, + -oma, tumor] oncocytoma A usually benign tumor characterized by aggregates of bland pink cells Locations Bronchial, lacrimal, salivary, parathyroid, and thyroid glands–Hürthle cell adenoma, anterior pituitary, kidney; rarely, malignant oncocytomas occur in salivary glands, nasal cavity, paranasal sinuses, mediastinum and thyroid and kidneys DiffDx Oncocytic CA of pancreas, oncocytic carcinoid of lungs, clinically similar to 'garden variety' carcinoid, oncocytosis of salivary gland, an age-related hyperplasia on·co·cy·to·ma (ong'kō-sī-tō'mă) [MIM*553000] A glandular tumor composed of large cells with cytoplasm that is granular and eosinophilic because of the presence of abundant mitochondria; occurs uncommonly in the kidney and salivary and endocrine glands.
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