dysgerminoma /dys·ger·mi·no·ma/ (-jer″mĭ-no´mah) a malignant ovarian neoplasm, thought to be derived from primordial germ cells of the sexually undifferentiated embryonic gonad; it is the counterpart of the classical testicular seminoma.
dysgerminoma
dys·ger·mi·no·ma or dis·ger·mi·no·ma (d s-jûr m -n  m)n. A rare malignant ovarian neoplasm composed of undifferentiated gonadal germinal cells. |
dysgerminoma
[dis′jərminō′mə] pl. dysgerminomas, dysgerminomata
Etymology: Gk, dys + L, germen, germ; Gk, oma, tumor
a rare malignant tumor of the ovary that occurs in young women and is believed to arise from the undifferentiated germ cells of the embryonic gonad. The tumor is histologically identical to seminoma. Dysgerminomas are extremely sensitive to irradiation and chemotherapy, and most patients retain their fertility. Also called embryoma of the ovary, ovarian seminoma.
dysgerminoma
a solid, often radiosensitive, malignant ovarian neoplasm derived from undifferentiated germinal cells; the counterpart of seminoma of the testis.
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