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Difference between revisions of "Urothelium"
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→Low grade papillary urothelial carcinoma: +note overstaging problem
(→Low grade papillary urothelial carcinoma: +note overstaging problem) |
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*[[AKA]] ''low grade urothelial cell carcinoma''. | *[[AKA]] ''low grade urothelial cell carcinoma''. | ||
**Abbreviated ''low grade UCC''. | **Abbreviated ''low grade UCC''. | ||
===General=== | |||
*Very common. | |||
*Very good prognosis - if it is non-invasive. | |||
===Microscopic=== | ===Microscopic=== | ||
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*Papillae branch. | *Papillae branch. | ||
*Larger nuclei than PUNLMPs. | *Larger nuclei than PUNLMPs. | ||
*+/-Invasion into the lamina propria. | |||
Note: | |||
*The presence/absence of muscle should be commented on in biopsy specimens. | |||
*Adipose tissue may be seen in the lamina propria; tumour adjacent to adipose tissue on a biopsy does '''not''' imply invasion deep to the muscularis propria.<ref name=pmid7879346>{{Cite journal | last1 = Bochner | first1 = BH. | last2 = Nichols | first2 = PW. | last3 = Skinner | first3 = DG. | title = Overstaging of transitional cell carcinoma: clinical significance of lamina propria fat within the urinary bladder. | journal = Urology | volume = 45 | issue = 3 | pages = 528-31 | month = Mar | year = 1995 | doi = 10.1016/S0090-4295(99)80030-2 | PMID = 7879346 }}</ref> | |||
DDx: | |||
*[[PUNLMP]] | |||
*[[High grade papillary urothelial carcinoma]]. | |||
==High grade papillary urothelial carcinoma== | ==High grade papillary urothelial carcinoma== | ||