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Difference between revisions of "Urothelium"
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→Low grade papillary urothelial carcinoma
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*Very common. | *Very common. | ||
*Very good prognosis - if it is non-invasive. | *Very good prognosis - if it is non-invasive. | ||
*Usually non-invasive.<ref name=pmid22510761/> | |||
===Microscopic=== | ===Microscopic=== | ||
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*Larger nuclei than PUNLMPs. | *Larger nuclei than PUNLMPs. | ||
*+/-Invasion into the lamina propria. | *+/-Invasion into the lamina propria. | ||
Criteria for invasion:<ref name=pmid22510761>{{Cite journal | last1 = Toll | first1 = AD. | last2 = Epstein | first2 = JI. | title = Invasive low-grade papillary urothelial carcinoma: a clinicopathologic analysis of 41 cases. | journal = Am J Surg Pathol | volume = 36 | issue = 7 | pages = 1081-6 | month = Jul | year = 2012 | doi = 10.1097/PAS.0b013e318253d6e0 | PMID = 22510761 }}</ref> | |||
*[[Stromal reaction]]. | |||
*Infiltrating single cells. | |||
*Small nests. | |||
*Retraction artifact. | |||
*Paradoxical differentiation. | |||
Note: | Note: | ||