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Table 2 Immunohistochemical Results in GIST

From: Cyclin H expression is increased in GIST with very-highrisk of malignancy

Immunohistochemistry Positive, n (%) Negative, n (%) Total, n
c-kit (CD117) 92 (98%) 2 (2%) 94
cyclin H 23 (24%) 72 (76%) 95
CD34 63 (85%) 11 (15%) 74
smooth muscle actin 11 (17%) 53 (83%) 64
desmin 4 (9%) 43 (91%) 47
vimentin 32 (100%) 0 (0%) 32
NSE 6 (55%) 5 (45%) 11
S100 0 (0%) 55 (100%) 55
  1. Two c-kit negative GIST turned to be PDGFRα positive, confirmed as GIST by mutational analysis