Rhabdomyosarcoma

**Semantic type:** Neoplastic Process

**Definition:** A rare aggressive malignant mesenchymal neoplasm that arises from striated (skeletal or cardiac) muscle cells. It usually occurs in children and young adults.

**Synonyms:** - RHABDOMYOSARCOMA, MALIGNANT - Rhabdomyosarcoma, NOS - Rhabdomyosarcoma, NOS - rhabdomyosarcoma