oncocytoma

(redirected from oxyphil adenoma)
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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

/on·co·cy·to·ma/ (ong″ko-si-to´mah)
1. a usually benign adenoma composed of oncocytes with granular, eosinophilic cytoplasm.
2. a benign Hürthle cell tumor.

renal oncocytoma  a benign neoplasm of the kidney resembling a renal cell carcinoma but encapsulated and not invasive.

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.

oncocytoma (ong´kōsītō´mə),

n a rare, benign tumor usually occurring in the parotid glands in older patients. The lesion is encapsulated and composed of sheets and cords of large eosinophilic cells with small nuclei. Also called
acidophilic adenoma, oxyphilic adenoma.
Enlarge picture
Oncocytoma.

oncocytoma

a rare benign neoplasm arising from oncocytes.