Fibroblastic Osteosarcoma

**Semantic type:** Neoplastic Process

**Definition:** A conventional osteosarcoma characterized by the presence of spindle shaped cells.

**Synonyms:** - FIBROSARCOMA, OSTEOGENIC, MALIGNANT - Fibroblastic Osteogenic Sarcoma - Fibroblastic osteosarcoma - Fibrosarcomatous Osteogenic Sarcoma - Fibrosarcomatous Osteosarcoma - Osteogenic Fibrosarcoma