Urinary bladder

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The urinary bladder stores urine until one has to go wee-wee.

It is commonly afflicted by cancer.

A well-know mimicker of cancer is malakoplakia.[1]

Urinary bladder cancer

The most common type of cancer to affect the bladder is urothelial carcinoma, which is covered in the urothelium article.

Urachal carcinoma

General

  • Rare.
  • Classically - dome of bladder lesion.
  • Younger <55 years-old.

Microscopic

Patterns

  • Enteric - looks like colonic adenocarcinoma.
  • Mucinous.
  • Signet ring.

DDx

  • Metastatic adenocarcinoma/adenocarcinoma extending from another structure.
  • Adenocarcinoma arising from the urinary bladder.


See also

References

  1. Wong-You-Cheong JJ, Woodward PJ, Manning MA, Davis CJ (2006). "From the archives of the AFIP: Inflammatory and nonneoplastic bladder masses: radiologic-pathologic correlation". Radiographics 26 (6): 1847–68. doi:10.1148/rg.266065126. PMID 17102055.