Malignant Deciduosarcoma

**Semantic type:** Neoplastic Process

**Definition:** A malignant neoplasm originating from epithelioid cells of the uterine metrial glands (epithelioid cells with abundant vacuolated eosinophilic cytoplasm) and uterine stromal cells (spindloid cells with scant eosinophilic cytoplasm).

**Synonyms:** - DECIDUOSARCOMA, MALIGNANT