Prostate
Other carcinomas
Mucinous adenocarcinoma from prostatic urethra-urinary bladder type

Authors: Komal Arora, M.D. (see Authors page)

Revised: 22 August 2016, last major update March 2012

Copyright: (c) 2003-2016, PathologyOutlines.com, Inc.

PubMed search: Mucinous adenocarcinoma from prostatic urethra-urinary bladder type
Definition / General
Micro Description
  • Resemble adenocarcinomas arising within urinary bladder but different from mucinous adenocarcinoma of the prostate (tubules and cribriform glands floating within mucin; mucin+ signet cells are rare)
  • Often in situ adenocarcinoma present in overlying prostatic urethra
  • Often mucin lakes lined by tall columnar epithelium with variable cytologic atypia
  • May resemble intestinal mucinous adenocarcinoma (Int J Urol 2005;12:509)
Positive Stains
Negative Stains
  • PSA, PAP
Differential Diagnosis