Mesenchymal Cell Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A benign, intermediate, or malignant neoplasm that arises from the mesenchyma-derived cells of the soft tissue or bone. Representative examples include lipoma, leiomyoma, leiomyosarcoma and osteosarcoma.

**Synonyms:** - Mesenchymal Cell Tumor - Mesenchymal Neoplasm - Mesenchymal Tumor