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Difference between revisions of "Urethra"
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The '''urethra''' takes the urine from the [[urinary bladder]] to outside of the body. | |||
It is occasionally afflicited by tumours. | |||
==Anatomy== | |||
*Proximal portion = urothelium. | |||
*Distal portion = squamous. | |||
===Males=== | |||
*Pre-prostatic urethra - transitional epithelium. | |||
*[[Prostate gland|Prostatic]] urethra - transitional epithelium. | |||
**Cancer arising at this site is ''[[prostatic urothelial carcinoma]]''. | |||
*Membranous urethra (from apex of prostate to bulb of penis (bulb of the corpus spongiosusm)) - pseudostratified columnar epithelium. | |||
*Spongy urethra - pseudostratified columnar epithelium (proximal) & stratified squamous (distal). | |||
==Pathology== | |||
*[[Squamous cell carcinoma]]. | |||
*[[Urothelial carcinoma]]. | |||
*[[Prostatic carcinoma]] - may mimic urothelial carcinoma.<ref name=pmid24503758>{{cite journal |author=Gordetsky J, Epstein JI |title=Pseudopapillary features in prostatic adenocarcinoma mimicking urothelial carcinoma: a diagnostic pitfall |journal=Am. J. Surg. Pathol. |volume=38 |issue=7 |pages=941–5 |year=2014 |month=July |pmid=24503758 |doi=10.1097/PAS.0000000000000178 |url=}}</ref> | |||
*[[Clear cell adenocarcinoma of the urethra]] - similar to [[clear cell carcinoma]] of the gynecologic tract. | |||
==See also== | |||
*[[Urothelium#Urethra_in_males|Urethra in males]]. | |||
*[[Urothelium]]. | |||
==References== | |||
{{Reflist|1}} | |||
[[Category:Genitourinary pathology]] | |||