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Table 2 Pathologic features of patients

From: Laparoscopic versus open wedge resection for gastrointestinal stromal tumors of the stomach: a single-center 8-year retrospective cohort study of 156 patients with long-term follow-up

Variable(%)

LWR(n = 90)

OWR(n = 66)

Pvalue

Tumor size (cm)

3.5 ± 1.9

4.3 ± 2.4

0.02

Tumor location

  

0.08

 Cardia

14(15.6)

10(15.2)

 

 Fundus

29(32.2)

16(24.2)

 

 Body near lesser curvature

11(12.2)

4(6.1)

 

 Body near greater curvature

30(33.3)

22(33.3)

 

 Antrum

6(6.7)

14(21.2)

 

Mitotic rate (per 50 HPF)

  

0.20

 <5

80(88.9)

52(78.8)

 

 5 ~ 10

7(7.8)

8(12.1)

 

 >10

3(3.3)

6(9.1)

 

Immunohistochemistry

   

 CD117(+)

86(95.6)

66(100)

0.11

 CD34(+)

87(96.7)

63(95.5)

0.20

 DOG-1(+)

72(80.0)

58(87.9)

0.19

 SMA

30(33.3)

17(25.8)

0.31

 S-100

16(17.8)

14(21.2)

0.59

 Desmin

9(10)

6(9.1)

0.95

Fletcher classification

  

0.51

 Very low risk

20(22.2)

13(19.7)

 

 Low risk

46(51.1)

28(42.4)

 

 Intermediate risk

16(17.8)

16(24.2)

 

 High risk

8(8.9)

9(13.6)