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Immunohistochemical findings in duodenal gastrointestinal stromal tumors, n (%)
|
Antigen
|
Negative and weakly positive
|
Strongly positive
|
| Ki-67 | 65/77 (84.4) | 12/77 (15.6) |
| CD117 | 3/82 (3.7) | 79/82 (96.3) |
| CD34 | 49/83 (59.0) | 34/83 (41.0) |
| DOG1 | 2/53 (3.8) | 51/53 (96.2) |
| Desmin | 68/69 (98.6) | 1/69 (1.4) |
| SMA | 68/75 (90.7) | 7/75 (9.3) |
| S100 | 78/80 (97.5) | 2/80 (2.5) |
| SHDB | 3/16 (18.8) | 13/16 (81.2) |
| AE1/AE3 | 41/41 (100.00) | 0/41 (0.00) |
