Clinicopathological features and treatment of gastrointestinal schwannomas

Table 4 Immunohistochemical results of patients with gastrointestinal schwannomas, n (%)

Variable	Overall
S-100 (n = 209)
+	207 (99.0)
-	2 (1.0)
SOX10 (n = 64)
+	64 (100.0)
CD117 (n = 212)
-	209 (98.6)
+ (focal)	3 (1.4)
DOG-1 (n = 181)
-	179 (98.9)
+ (focal)	2 (1.1)
SMA (n = 205)
-	187 (91.2)
+	18 (8.8)
Desmin (n = 186)
-	171 (91.9)
+	15 (8.1)
Ki-67 (n = 183)
< 5%	121 (66.1)
5-10%	61 (33.3)
> 10%	1 (0.6)
SDHB (n = 46)
+	46 (100.0)
HMB45 (n = 27)
-	27 (100.0)

Only the Ki-67 indexes with specific descriptions were classified and counted.