Table 2.
Clinicopathological characteristics in 84 patients with primary GISTs
| Characteristic | Number (%) |
|---|---|
|
Sex |
|
| Male |
46 (54.8) |
| Female |
38 (45.2) |
|
Age (years) |
|
| ≤60 |
41 (48.8) |
| >60 |
43 (51.2) |
| Range (median) |
23 to 78 (61.5) |
|
Clinical manifestation |
|
| Abdominal discomfort or pain |
36 (42.9) |
| Gastrointestinal bleeding |
24 (28.6) |
| Obstruction |
6 (7.2) |
| Perforation or rupture |
3 (3.6) |
| Weight loss |
2 (2.4) |
| Asymptomatic |
13 (15.5) |
|
Primary tumor site |
|
| Stomach |
56 (66.7) |
| Small intestine |
20 (23.8) |
| Colorectum |
5 (6.0) |
| Intraperitoneally with unknown origin |
3 (3.6) |
|
Tumor size (cm) |
|
| ≤5 |
41 (48.8) |
| 5.1 to 10 |
34 (40.5) |
| >10 |
9 (10.7) |
| Range (median) |
1.5 to 20 (5.3) |
|
Predominant cell type |
|
| Spindle |
63 (75.0) |
| Epithelioid |
13 (15.5) |
| Mixed |
8 (9.5) |
|
Mitotic index (per 50 high power fields) |
|
| 0 to 5 |
53 (63.1) |
| 5.1 to 10 |
21 (25.0) |
| >10 |
10 (11.9) |
|
Cellularity |
|
| Paucicellular |
11 (13.1) |
| Moderate |
33 (39.3) |
| High |
40 (47.6) |
|
Necrosis |
|
| Yes |
34 (40.5) |
| No |
50 (59.5) |
|
Tumor rupture |
|
| Yes |
5 (6.0) |
| No |
79 (94.0) |
|
Risk classification |
|
| Very low |
5 (6.0) |
| Low |
26 (31.0) |
| Moderate |
17 (20.2) |
| High |
36 (42.9) |
|
Follow-up |
|
| Relapse-free survival |
59 (70.2) |
| Recurrent |
16 (19.1) |
| Metastasis | 9 (10.7) |