Table 1.

Comparison of pediatric GIST with adult GIST.

Characteristic	Pediatric GIST	Adult GIST
Incidence	Rare	Common
Median age (years)	13	50
Sex	Female predominance(70%)	Equal gender distribution
Histology	Epithelioid and mixed	Spindle
Gene profile	Wild Type KIT/PDGFR (85%) SDH mutation (85%)	KIT mutation (85%) PDGFR mutation (5–10%)
Primary site	Stomach (85%)	Stomach (50%)
Lymph node metastasis	Common	Rare