Cardiac Extraskeletal Osteosarcoma

**Semantic type:** Neoplastic Process

**Definition:** An extraskeletal osteosarcoma that arises from the heart. It produces osteoid and bone, and occasionally shows chondroblastic differentiation.

**Synonyms:** - Cardiac Osteogenic Sarcoma - Cardiac Osteosarcoma - Heart Extraskeletal Osteosarcoma