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(→Benign urothelial lesions: re-work some more) |
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*Mitoses common. | *Mitoses common. | ||
= | ==Invasive urothelial carcinoma== | ||
===Staging=== | |||
== | |||
*T1 - lamina propria. | *T1 - lamina propria. | ||
**Several subdivisions of T1 exist:<ref>Sternberg, H4P 4th Ed., P.2048-9.</ref> | **Several subdivisions of T1 exist:<ref>Sternberg, H4P 4th Ed., P.2048-9.</ref> | ||
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**Small nests (< ~10 cells/nest). | **Small nests (< ~10 cells/nest). | ||
*Many others... | *Many others... | ||
=Benign urothelial lesions= | |||
==Brunn nests== | |||
Microscopic:<ref name=Ref_PBoD1028>{{Ref PBoD|1028}}</ref> | |||
*Benign inbudding nests of urothelium. | |||
**Should lead to consideration of "inverted papilloma". | |||
==Cystitis cystica== | |||
Microscopic:<ref name=Ref_PBoD1028>{{Ref PBoD|1028}}</ref> | |||
*Brunn nests with urothelium. | |||
==Cystitis glandularis== | |||
Microscopic:<ref name=Ref_PBoD1028>{{Ref PBoD|1028}}</ref> | |||
*Brunn nests with cuboidal and columnar epithelium. | |||
==Renal cell carcinoma== | ==Renal cell carcinoma== |
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