Fig. 1
From: Investigation of c-KIT and Ki67 expression in normal, preneoplastic and neoplastic canine prostate
Histological evaluation of canine prostatic tissue. a Histological appearance of a normal prostate gland showing cuboid epithelial cells arranged in an acinar pattern. b Canine prostate cancer (PC) showing a cribriform pattern with central comedonecrosis (Gleason Score 10). c Canine PC presenting a small acinar pattern (black arrows) (Gleason score 6). d Histological appearance of a canine PC with a solid pattern (Gleason Score 10). e Canine PC showing a papillary pattern (Gleason Score 8). f Canine PC showing a signet ring (black arrows) histological pattern (Gleason Score 10)