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germinoma
A germinoma is a type of germ cell tumor, which is not differentiated upon examination.〔(Germinoma, Central Nervous System ) at eMedicine〕 It may be benign or malignant. ==Classification== The term ''germinoma'' most often refers to a tumor in the brain that has a histology identical to two other tumors: dysgerminoma in the ovary and seminoma in the testis. Since 1994, MeSH has defined germinoma as "a malignant neoplasm of the germinal tissue of the gonads; mediastinum; or pineal region" and within its scope included both dysgerminoma and seminoma. Collectively, these are the seminomatous or germinomatous tumors.
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「germinoma」の詳細全文を読む
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