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| Micro = nests of urothelium within the lamina propria with cyst formation; lining cells are glandular (cuboidal and/or columnar epithelium); +/-goblet cells; nests should '''not''' extend into the muscularis propria | | Micro = nests of urothelium within the lamina propria with cyst formation; lining cells are glandular (cuboidal and/or columnar epithelium); +/-goblet cells; nests should '''not''' extend into the muscularis propria | ||
| Subtypes = | | Subtypes = | ||
| LMDDx = [[nested variant of urothelial carcinoma]], [[tubular adenoma of the urinary bladder]], [[adenocarcinoma in situ of the urinary bladder]] | | LMDDx = [[cystitis cystica]], [[nested variant of urothelial carcinoma]], [[tubular adenoma of the urinary bladder]], [[adenocarcinoma in situ of the urinary bladder]] | ||
| Stains = | | Stains = | ||
| IHC = | | IHC = |
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