Undifferentiated Pleomorphic Sarcoma with Osteoclast-Like Giant Cells

**Semantic type:** Neoplastic Process

**Definition:** An undifferentiated pleomorphic sarcoma characterized by the presence of osteoclast-like giant cells and cellular pleomorphism.

**Synonyms:** - Giant Cell Fibrous Histiocytoma - Giant Cell Malignant Fibrous Histiocytoma - Malignant Giant Cell Neoplasm of Soft Parts - Malignant Giant Cell Tumor of Soft Parts - Malignant giant cell tumor of soft parts