Skip to main content

Table 2 Main histological features of feline endometrial adenocarcinomas in comparison to the normal endometrium

From: An immunohistochemical study on the expression of sex steroid receptors, Ki-67 and cytokeratins 7 and 20 in feline endometrial adenocarcinomas

   Atypia Number of mitoses HPF Myometrial invasion Serosa invasion Vascular/lymphatic invasion
n (%) n (%)
   Absent Low to moderate High ≤1 1-5 ≥5
n (%) n (%) n (%)
FS SE 13 (100.0) 0 0 13 (100.0) 0 0 0 0 0
SGE 13 (100.0) 0 0 12 (92.3) 1 (7.7) 0 0 0 0
DGE 13 (100.0) 0 0 12 (92.3) 1 (7.7) 0 0 0 0
LS SE 10 (100.0) 0 0 10 (100.0) 0 0 0 0 0
SGE 10 (100.0) 0 0 10 (100.0) 0 0 0 0 0
DGE 10 (100.0) 0 0 7 (70.0) 3 (30.0) 0 0 0 0
FEA 0 11 (45.8) 13 (54.2) 3 (12.5) 19 (79.2) 2 (8.3) 16 (66.7) 1 (4.2) 3 (12.5)
  1. FS = follicular stage; LS = luteal stage; FEA = feline endometrial adenocarcinomas; SE = surface endometrium; SGE = superficial glandular epithelium; DGE = deep glandular epithelium; HPF = high power field