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Table 2 Mutation subtypes according to the primary location of GIST [7, 10, 14, 17, 19, 21, 24,25,26, 28, 39]

From: Extra-gastrointestinal stromal tumor arising in the lesser omentum with a platelet-derived growth factor receptor alpha (PDGFRA) mutation: a case report and literature review

Genetic type Whole GIST (%) Gastric GIST (%) Intestinal GIST (%) Omental GIST (our review)
KIT mutation 77 65.2 79.7 60% (15/25)
Exon 9 8 1.8 23.0 4% (1/25)
Exon 11 67 61.4 54.0 56% (14/25)
Exon 13 1 1.2 2.3
Exon 17 1 0.8 0.4
PDGFRA mutation 10 22.9 1.2 28% (7/25)
Exon 12 1 3.1 0 8% (2/25)
Exon 14 < 1 0.5 0.4
Exon 18 (D842V) 5 19.3 0.8 20% (5/25)
Wild type 13 11.9 19.1 20% (5/25)