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Difference between revisions of "Urothelium"
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=Flat urothelial lesions= | =Flat urothelial lesions= | ||
==Overview== | ==Overview== | ||
Several different benign & pre-malignant diagnoses can be made: | Several different benign & pre-malignant diagnoses can be made. | ||
*Reactive atypia. | |||
The World Health Organization classification is:<ref name=pmid19762067>{{Cite journal | last1 = Hodges | first1 = KB. | last2 = Lopez-Beltran | first2 = A. | last3 = Davidson | first3 = DD. | last4 = Montironi | first4 = R. | last5 = Cheng | first5 = L. | title = Urothelial dysplasia and other flat lesions of the urinary bladder: clinicopathologic and molecular features. | journal = Hum Pathol | volume = 41 | issue = 2 | pages = 155-62 | month = Feb | year = 2010 | doi = 10.1016/j.humpath.2009.07.002 | PMID = 19762067 }}</ref> | |||
*Reactive urothelial atypia. | |||
*Flat urothelial hyperplasia. | *Flat urothelial hyperplasia. | ||
*Urothelial dysplasia. | *Urothelial atypia of unknown significance | ||
*Urothelial carcinoma in situ. | *Urothelial dysplasia (low-grade dysplasia). | ||
*Urothelial carcinoma in situ (high-grade dysplasia). | |||
*Invasive urothelial carcinoma. | *Invasive urothelial carcinoma. | ||