Table 1 Clinical and pathological characteristics for patients with a duodenal GIST
Variable | All patients (n= 48) |
|---|---|
Age | |
Median | 53 years |
Range | 27 to 89 years |
Gender | |
Male | 28 (58.3%) |
Female | 20 (41.7%) |
Presentation | |
Bleeding | 29 (60.4%) |
Incidental finding | 8 (16.7%) |
Abdominal discomfort | 7 (14.6%) |
Abdominal pain | 3 (6.3%) |
Jaundice | 1 (2%) |
Tumor size | |
Median | 4.7 cm |
Range | 2.0 to 15.0 cm |
Mitotic count | |
≤5 mitosis/50 HPF | 36 (75.0%) |
6 to 10 mitosis/50 HPF | 4 (8.3%) |
mitosis HPF | 8 (16.7%) |
NIH risk classification | |
Low risk | 28 (58.3%) |
Intermediate risk | 11 (22.9%) |
High risk | 9 (18.8%) |
Site | |
D1 | 11 (22.9%) |
D2 | 17 (35.4%) |
D3 | 6 (12.5%) |
D4 | 2 (4.2%) |
D1/D2 | 8 (16.7%) |
D2/D3 | 4 (8.3%) |
CD117 | |
Positive | 47 (97.9%) |
Negative | 1 (2.1%) |
CD34 | |
Positive | 32 (66.7%) |
Negative | 16 (33.3%) |
Desmin | |
Positive | 6 (12.5%) |
Negative | 42 (87.5%) |
S-100 | |
Positive | 5 (10.4%) |
Negative | 43 (89.6%) |