Malignant Ovarian Thecoma

**Semantic type:** Neoplastic Process

**Definition:** A thecoma of the ovary which may metastasize to another anatomic site. It is usually characterized by nuclear atypia and mitotic activity. Malignant thecomas are rare.

**Synonyms:** - Malignant Ovarian Thecal Cell Neoplasm - Malignant Ovarian Thecal Cell Neoplasm - Malignant Ovarian Thecal Cell Tumor - Malignant Ovarian Thecal Cell Tumor - Malignant Thecal Cell Neoplasm of Ovary - Malignant Thecal Cell Neoplasm of Ovary - Malignant Thecal Cell Neoplasm of the Ovary - Malignant Thecal Cell Neoplasm of the Ovary - Malignant Thecal Cell Tumor of Ovary - Malignant Thecal Cell Tumor of Ovary - Malignant Thecal Cell Tumor of the Ovary - Malignant Thecal Cell Tumor of the Ovary - Malignant Thecoma of Ovary - Malignant Thecoma of Ovary - Malignant Thecoma of the Ovary - Malignant Thecoma of the Ovary - THECOMA, OVARIAN, MALIGNANT - Thecoma, Malignant - Thecoma, malignant