Table 2

Immunohistochemistry and Mutations in the primary omental GISTs

Case No.
Histology
Immunohistochemistry
Mutations



KIT
CD34
S100
SMA
Desmin
Gene
Site

15
Spindle
Positive
+
-
-
-
C-kit
Exon11, MS
16
Spindle
Positive
+
-
-
-
C-kit
Exon11, IFD
17
Spindle
Positive
+
-
-
-
C-kit
Exon11, MS
18
Spindle
Positive
+
-
-
-
C-kit
Exon11, MS
19
Spindle
Positive
+
-
Weak
-
C-kit
Exon11, IFD
22
Myxoid epithelioid
Weak
+
-
+
-
PDGFRA
Exon18 del D842V
23
Epithelioid
Weak
-
-
-
-
PDGFRA
Exon18 DIMH842-845
26
Epithelioid
Weak
+
NA
NA
NA
PDGFRA
Exon18
28
Myxoid epithelioid
Weak
+
-
-
-
PDGFRA
Exon12, V561D

MS: miss sense, IFD: in-frame deletion, NA: not available

Todoroki et al. World Journal of Surgical Oncology 2007 5:66   doi:10.1186/1477-7819-5-66