Dysgerminoma

**Semantic type:** Neoplastic Process

**Definition:** A malignant germ cell tumor arising from the ovary. Morphologically, it is identical to seminoma and consists of a monotonous population of germ cells with abundant pale cytoplasm and uniform nuclei. The stroma invariably contains chronic inflammatory cells, mostly T-lymphocytes. It responds to chemotherapy or radiotherapy and the prognosis relates to the tumor stage.

**Synonyms:** - DYSGERMINOMA, MALIGNANT - Dysgerminoma of Ovary - Dysgerminoma of the Ovary - Ovarian Dysgerminoma - Ovarian Dysgerminoma - Ovarian Dysgerminoma - Ovarian Dysgerminoma - Ovarian dysgerminoma - dysgerminoma