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Difference between revisions of "Urothelium"
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→Benign urothelial lesions: more
(→Nested urothelial cell carcinoma: expand) |
(→Benign urothelial lesions: more) |
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===Microscopic=== | ===Microscopic=== | ||
Features:<ref name=Ref_PBoD1028>{{Ref PBoD|1028}}</ref> | Features:<ref name=Ref_PBoD1028>{{Ref PBoD|1028}}</ref> | ||
* | *Nests of (benign) urothelium budding into the lamina propria. | ||
Note: | Note: | ||
| Line 392: | Line 392: | ||
DDx: | DDx: | ||
*[[ | *[[Nested urothelial cell carcinoma]].<ref name=pmid12960809>{{Cite journal | last1 = Volmar | first1 = KE. | last2 = Chan | first2 = TY. | last3 = De Marzo | first3 = AM. | last4 = Epstein | first4 = JI. | title = Florid von Brunn nests mimicking urothelial carcinoma: a morphologic and immunohistochemical comparison to the nested variant of urothelial carcinoma. | journal = Am J Surg Pathol | volume = 27 | issue = 9 | pages = 1243-52 | month = Sep | year = 2003 | doi = | PMID = 12960809 }}</ref> | ||
*[[Inverted urothelial papilloma|Inverted papilloma]]. | *[[Inverted urothelial papilloma|Inverted papilloma]]. | ||
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==Cystitis cystica== | ==Cystitis cystica== | ||
Microscopic:<ref name=Ref_PBoD1028>{{Ref PBoD|1028}}</ref> | ===General=== | ||
* | *Benign. | ||
*Can be thought of as [[von Brunn nests]] with cystic change.<ref name=Ref_WMSP304>{{Ref WMSP|304}}</ref> | |||
===Microscopic=== | |||
Features:<ref name=Ref_PBoD1028>{{Ref PBoD|1028}}</ref> | |||
*Nests of urothelium within the lamina propria with cyst formation, i.e. lumens are present. | |||
==Cystitis glandularis== | ==Cystitis glandularis== | ||
Microscopic:<ref name=Ref_PBoD1028>{{Ref PBoD|1028}}</ref> | ===General=== | ||
* | *Benign. | ||
*Can be thought of as [[cystitis cystica]] with mucin-secreting cells lining the cystic spaces.<ref name=Ref_WMSP304>{{Ref WMSP|304}}</ref> | |||
===Microscopic=== | |||
Features:<ref name=Ref_PBoD1028>{{Ref PBoD|1028}}</ref> | |||
*Nests of urothelium within the lamina propria with cyst formation, i.e. lumens are present. | |||
*Cyst lining cells are cuboidal and/or columnar epithelium. | |||
**Produce mucin. | |||
*+/-Goblet cells, i.e. intestinal metaplasia.<ref name=Ref_WMSP304>{{Ref WMSP|304}}</ref> | |||
==Malakoplakia== | ==Malakoplakia== | ||