Childhood Gastrointestinal Stromal Tumor

**Semantic type:** Neoplastic Process

**Definition:** A gastrointestinal stromal tumor (GIST) occurring in childhood. Pediatric GISTs differ biologically from adult GISTs in that only 11% of pediatric GISTs have activating mutations of KIT and PDGFRA.

**Synonyms:** - Childhood GIST - Childhood GIST - Gastrointestinal Stromal Tumor (GIST)