Dedifferentiated Chondrosarcoma

**Semantic type:** Neoplastic Process

**Definition:** An aggressive morphologic variant of chondrosarcoma. It is composed of a low grade chondrosarcoma and a high grade non-cartilagenous sarcomatous component. Due to the aggressive nature of the disease, its prognosis is poor.

**Synonyms:** - Dedifferentiated chondrosarcoma