From: Evaluation of expression and function of vascular endothelial growth factor receptor 2, platelet derived growth factor receptors-alpha and -beta, KIT, and RET in canine apocrine gland anal sac adenocarcinoma and thyroid carcinoma
RTK
Negative
+
++
+++
Predominant localization
VEGFR2
4 (17)
6 (25)
2 (8)
11 (46)
C
PDGFRα
0
24 (100)
N, C
PDGFRβ
20 (83)
3 (13)
1 (4)
M
Kit
16 (67)