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Table 4 Results for the CK 7 and 20 immunolabelling in the epithelial cells from normal feline endometrium (at the FS and LS) and in FEA

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

  Intensity Percentage of positive cells
n (%) n (%)
  Low Moderate High 1 2 3
   CK7
FS SE 0 0 13 (100.0) 0 0 13 (100.0)
SGE 0 0 13 (100.0) 0 0 13 (100.0)
DGE 0 2 (15.4) 11 (84.6) 0 0 13 (100.0)
LS SE 0 0 10 (100.0) 0 0 10 (100.0)
SGE 0 7 (70.0) 3 (30.0) 0 0 10 (100.0)
DGE 0 6 (60.0) 4 (40.0) 0 0 10 (100.0)
FEA Epithelium 6 (25.0) 14 (58.3) 4 (16.7) 0 2 (8.3) 22 (91.7)
   CK20
FS SE 4 (30.8) 9 (69.2) 0 0 0 13 (100.0)
SGE 2 (15.4) 11 (84.6) 0 0 0 13 (100.0)
DGE 1 (7.7) 10 (76.9) 2 (15.4) 0 0 13 (100.0)
LS SE 0 0 10 (100.0) 0 2 (20.0) 8 (80.0)
SGE 1 (10.0) 5 (50.0) 4 (40.0) 0 0 10 (100.0)
DGE 3 (30.0) 7 (70.0) 0 0 0 10 (100.0)
FEA Epithelium 8 (33.3) 8 (33.3) 8 (33.3) 0 13 (54.2) 11 (45.8)
  1. SE = surface endometrium; SGE = superficial glandular epithelium; DGE = deep glandular epithelium; FS = follicular stage; LS = luteal stage. Intensity of immunolabelling: 1 = weak, 2 = moderate and 3 = strong