Update: We are now collecting Disclosures from all users who edit content. You will be prompted to update these when you next edit content or you can complete your disclosures at any time in your user profile. This has been reflected in an updated terms-of-use.

Small cell carcinoma (urinary bladder)

Last revised by Dr Matt A. Morgan on 25 May 2021

Small cell carcinomas of the bladder are rare bladder cancers with a poor prognosis. Its appearance overlaps other bladder cancers, in particular, urothelial/transitional cell carcinoma.

A very rare tumor, it has been estimated at <0.0001% of bladder cancers. It is thought to have a predominance in caucasian patients and those with a smoking history.

Hematuria and pain are the most common symptoms. Its presentation overlaps that of other bladder tumors, such as urothelial/transitional cell carcinoma; there is no specific presentation.

The appearance is similar to urothelial/transitional cell carcinoma: an enhancing polypoid bladder mass. There are no imaging finding specific to the tumor.

Prognosis is poor, with <10% five year survival for disease confined to the pelvis 4.

ADVERTISEMENT: Supporters see fewer/no ads

Cases and figures

  • Case 1
    Drag here to reorder.
  • Updating… Please wait.

     Unable to process the form. Check for errors and try again.

     Thank you for updating your details.