Childhood Pleomorphic Rhabdomyosarcoma

**Semantic type:** Neoplastic Process

**Definition:** A rare aggressive rhabdomyosarcoma occurring in children. The neoplasm is characterized by the presence of bizarre round, spindle, and polygonal cells.

**Synonyms:** - Childhood Anaplastic Rhabdomyosarcoma - Pediatric Pleomorphic Rhabdomyosarcoma - Pleomorphic Childhood Rhabdomyosarcoma - Pleomorphic Rhabdomyosarcoma