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oncocytoma
An oncocytoma is a tumor made up of oncocytes, epithelial cells characterized by an excessive amount of mitochondria, resulting in an abundant acidophilic, granular cytoplasm.〔(【引用サイトリンク】 title=Atlas of Genetics and Cytogenetics in Oncology and Haematology - Thyroid:oncocytic tumors )〕 The cells and the tumor that they compose are often benign but sometimes may be premalignant or malignant. ==Presentation== An oncocytoma is an epithelial tumor composed of oncocytes, large eosinophilic cells having small, round, benign-appearing nuclei with large nucleoli. Oncocytoma can arise in a number of organs.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「oncocytoma」の詳細全文を読む
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