American Urological Association - Prostatic Urethra

advertisement

Home Education Educational Programs E-Learning Pathology for Urologists Normal Histology and Important Histo-anatomic Structures Prostatic Urethra

Prostatic Urethra

Image A

Image B

  • Prostatic urethra (image A) & (image B) and proximal portion of prostatic ducts (image C) & (image D) are lined by urothelial cells.
    • Thus, prostate can also have primary urothelial carcinoma.
    • More often, urothelial carcinoma arises from prostatic urethra and extends into the prostate via prostatic ducts or directly from suburothelium.

Image C

Image D

  • Urothelial carcinoma from urethral surface may spread within prostatic ducts without invading the prostatic stromal (remains carcinoma in situ).
    • Urothelial carcinoma seen within the prostate is not always invasive!
    • Stage as "Tispd" in the 2010 AJCC staging system.

Advertisement

Advertisement