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Difference between revisions of "Urinary bladder"
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The '''urinary bladder''' stores urine | The '''urinary bladder''' stores urine between urination, i.e. trips to the washroom to go pee. It gets the urine from the [[ureter]]s and exspells it via the [[urethra]]. | ||
It is commonly afflicted by [[cancer]]. A well-know mimicker of cancer is ''[[malakoplakia]]''.<ref name=pmid17102055>{{cite journal |author=Wong-You-Cheong JJ, Woodward PJ, Manning MA, Davis CJ |title=From the archives of the AFIP: Inflammatory and nonneoplastic bladder masses: radiologic-pathologic correlation |journal=Radiographics |volume=26 |issue=6 |pages=1847–68 |year=2006 |pmid=17102055 |doi=10.1148/rg.266065126 |url=}}</ref> | It is commonly afflicted by [[cancer]]. A well-know mimicker of cancer is ''[[malakoplakia]]''.<ref name=pmid17102055>{{cite journal |author=Wong-You-Cheong JJ, Woodward PJ, Manning MA, Davis CJ |title=From the archives of the AFIP: Inflammatory and nonneoplastic bladder masses: radiologic-pathologic correlation |journal=Radiographics |volume=26 |issue=6 |pages=1847–68 |year=2006 |pmid=17102055 |doi=10.1148/rg.266065126 |url=}}</ref> | ||
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==Urachal carcinoma== | ==Urachal carcinoma== | ||
{{Main|Urachal carcinoma}} | {{Main|Urachal carcinoma}} | ||
==Rhabdomyosarcoma of the urinary bladder== | ==Rhabdomyosarcoma of the urinary bladder== | ||
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**Used if no carcinomatous component is identified with extensive sampling. | **Used if no carcinomatous component is identified with extensive sampling. | ||
*[[Small cell carcinoma of the urinary bladder]]. | *[[Small cell carcinoma of the urinary bladder]]. | ||
**Should be positive for keratins and chromogranin A. | **Should be positive for [[keratins]] and chromogranin A. | ||
===IHC=== | ===IHC=== | ||
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*Myogenin +ve. | *Myogenin +ve. | ||
*Keratins -ve. | *Keratins -ve. | ||
==Metastasis to the urinary bladder== | |||
{{Main|Urinary bladder metastasis}} | |||
=Other= | |||
==Urinary bladder infarct== | |||
{{Main|Infarction}} | |||
===General=== | |||
*Case report rare - as the organ has many colaterals.<ref name=pmid3394185>{{Cite journal | last1 = Nino-Murcia | first1 = M. | last2 = Friedland | first2 = GW. | title = Bladder infarct. | journal = Urol Radiol | volume = 9 | issue = 4 | pages = 234-6 | month = | year = 1988 | doi = | PMID = 3394185 }}</ref> | |||
*May be seen in association with [[pseudocarcinomatous urothelial hyperplasia]].<ref name=pmid23228381>{{Cite journal | last1 = Kryvenko | first1 = ON. | last2 = Epstein | first2 = JI. | title = Pseudocarcinomatous urothelial hyperplasia of the bladder: clinical findings and followup of 70 patients. | journal = J Urol | volume = 189 | issue = 6 | pages = 2083-6 | month = Jun | year = 2013 | doi = 10.1016/j.juro.2012.12.005 | PMID = 23228381 }}</ref> | |||
===Microscopic=== | |||
Features:<ref name=pmid3394185/> | |||
*[[Necrosis]] without liquefaction. | |||
**Outlines of cells visible. | |||
**No nuclei present. | |||
Note: | |||
*Liquefaction implies an infectious etiology.<ref name=pmid3394185/> | |||
==Urinary bladder amyloidosis== | ==Urinary bladder amyloidosis== | ||
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==Tubular adenoma of the urinary bladder== | ==Tubular adenoma of the urinary bladder== | ||
{{Main|Tubular adenoma of the urinary tract}} | {{Main|Tubular adenoma of the urinary tract}} | ||
==Keratinising squamous metaplasia of the urinary bladder== | |||
{{Main|Keratinising squamous metaplasia of the urinary bladder}} | |||
==Leiomyoma of the urinary bladder== | |||
{{Main|Leiomyoma of the urinary bladder}} | |||
==Cystitis== | ==Cystitis== | ||