Difference between revisions of "Urinary bladder"

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Urinary bladder (view source)

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The '''urinary bladder''' stores urine until one has to go pee. It gets the urine from the [[ureter]]s and exspells it via the [[urethra]].
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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=Grossing=
=Grossing=
:[[AKA]] ''cut-up''.
{{Main|Partial cystectomy}}
{{Main|Partial cystectomy}}
{{Main|Radical cystectomy}}
{{Main|Radical cystectomy}}
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==Squamous cell carcinoma of the urinary bladder==
==Squamous cell carcinoma of the urinary bladder==
{{Main|Squamous cell carcinoma}}
{{Main|Squamous cell carcinoma of the urinary bladder}}
===General===
*Rare type of bladder cancer.
*Strong association with ''Schistosoma haematobium''.<ref name=pmid17483025>{{Cite journal  | last1 = Michaud | first1 = DS. | title = Chronic inflammation and bladder cancer. | journal = Urol Oncol | volume = 25 | issue = 3 | pages = 260-8 | month =  | year =  | doi = 10.1016/j.urolonc.2006.10.002 | PMID = 17483025 }}</ref>
*''Urothelial carcinoma with squamous differentiation'' is much more common.
**Common in areas with ''S. haematobium''.
**Uncommon in areas without ''S. haematobium''.
 
===Microscopic===
Features:
*See ''[[squamous cell carcinoma]]'' article.


==Urachal carcinoma==
==Urachal carcinoma==
{{Main|Urachal carcinoma}}
{{Main|Urachal carcinoma}}
==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/>


==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==
{{Main|Urinary bladder amyloidosis}}
==Tubular adenoma of the urinary bladder==
{{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==
:See ''[[urothelium]]''.


=See also=
=See also=
Michael
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