NF-1 associated GIST Sporadic GIST
Age Relatively young (<50 years) About 60 years
Gender Slightly female dominant Slightly male dominant
Location Small intestine>stomach Stomach (60-70%)
Small intestine (20-30%)
Colon, rectum (5%)
Esophagus (5%)
Number of tumor Multiple Solitary
Histology Spindle cell dominant Spindle cell (70%)
Epitheloid cell (20%)
Mixed (10%)
Mutation NF-1 c-KIT/PDGFRA
Malignant potential Relatively uncommon More common
Prognosis Good Relatively bad
Table 1: A comparison between sporadic GIST and NF-1 associated GIST.