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 (40)
1 (10)
0
5 (50)
C
PDGFRα
10 (100)
N, C
PDGFRβ
9 (90)
M
Kit
7 (70)
2 (20)