Difference between revisions of "Urinary bladder"
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==Urinary bladder cancer== | ==Urinary bladder cancer== | ||
The most common type of cancer to affect the bladder is ''urothelial carcinoma'', which is covered in the ''[[urothelium]]'' article. | The most common type of cancer to affect the bladder is ''urothelial carcinoma'', which is covered in the ''[[urothelium]]'' article. | ||
DDx: | |||
*[[Urothelial carcinoma]]. | |||
*[[Squamous cell carcinoma of the urinary bladder]]. | |||
*Adenocarcinoma - see ''[[urachal carcinoma]]''. | |||
==Urachal carcinoma== | ==Urachal carcinoma== | ||
Revision as of 21:18, 17 April 2012
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]
Normal
Microscopic
- Muscularis mucosae - thin, discontinuous.
- Fat - many be in lamina propria.
Note:
- On TURBT - don't ever call T3.
Urinary bladder cancer
The most common type of cancer to affect the bladder is urothelial carcinoma, which is covered in the urothelium article.
DDx:
- Urothelial carcinoma.
- Squamous cell carcinoma of the urinary bladder.
- Adenocarcinoma - see urachal carcinoma.
Urachal carcinoma
General
- Rare.[2]
- 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.
Images:
See also
References
- ↑ 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.
- ↑ Ashley, RA.; Inman, BA.; Sebo, TJ.; Leibovich, BC.; Blute, ML.; Kwon, ED.; Zincke, H. (Aug 2006). "Urachal carcinoma: clinicopathologic features and long-term outcomes of an aggressive malignancy.". Cancer 107 (4): 712-20. doi:10.1002/cncr.22060. PMID 16826585.