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Table 1 Reported cases of flatly distributed and muscularis propria-replacing GISTs

From: A case of planar-type GIST of the sigmoid colon showing diverticular structure with perforation

Case Age/sex Site Size (mm) Diverticulum Perforation Mitotic counts (/50HPFs) Mutation Recurrence
1 (2) 69/F S 2–6 + + 0 NM
2 (3) 66/M S 6 0 c-kit exon 11
3 (4) 72/F S 32 + 0 c-kit exon 11
4 (5) 72/M S 70 + + 0 c-kit exon 11
5 (our case) 68/M S 23 + + 0 c-kit exon 11
6 (3) 59/F SI 40 + 1 c-kit exon 11
7 (6) 63/F SI 120 + Less than 1 ND
8 (7) 82/M SI 25 + + 1 c-kit exon 11
  1. Numbers in the brackets mean reference numbers
  2. S sigmoid colon, SI small intestine, NM not mentioned, ND not detected, HPFs high-power fields