Figure 3From: Primary mucin-producing urothelial-type adenocarcinoma of the prostatic urethra diagnosed on TURP: a case report and review of literature Surgical specimen and positive pathological staining. (a) Diffusely positive staining for CK20. (b) Diffusely positive staining for CK7. (c) Diffusely positive staining for villin. (d) Mostly cytoplasmic positive staining for beta-catenin.Back to article page