Urothelial papilloma: Difference between revisions
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{{ Infobox diagnosis | |||
| Name = {{PAGENAME}} | |||
| Image = Urothelial papilloma - alt -- intermed mag.jpg | |||
| Width = | |||
| Caption = Urothelial papilloma. [[H&E stain]]. | |||
| Synonyms = | |||
| Micro = papillary fronds with minimal branching or fusion, cytology and thickness of normal urothelium, no mitoses | |||
| Subtypes = | |||
| LMDDx = [[low grade papillary urothelial carcinoma]], [[PUNLMP]] | |||
| Stains = | |||
| IHC = | |||
| EM = | |||
| Molecular = | |||
| IF = | |||
| Gross = | |||
| Grossing = | |||
| Site = [[urothelium]] - typically [[urinary bladder]] | |||
| Assdx = | |||
| Syndromes = | |||
| Clinicalhx = | |||
| Signs = | |||
| Symptoms = | |||
| Prevalence = uncommon | |||
| Bloodwork = | |||
| Rads = | |||
| Endoscopy = | |||
| Prognosis = benign | |||
| Other = | |||
| ClinDDx = other papillary lesions | |||
| Tx = | |||
}} | |||
'''Urothelial papilloma''' is a rare benign lesion of the [[urothelium]]. | '''Urothelial papilloma''' is a rare benign lesion of the [[urothelium]]. | ||
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*If the person has a history of a low grade papillary urothelial carcinoma... it is likely a low grade papillary urothelial carcinoma. | *If the person has a history of a low grade papillary urothelial carcinoma... it is likely a low grade papillary urothelial carcinoma. | ||
*These cases are a consensus diagnosis, i.e. you show it to a colleague... if they agree you can call it. | *These cases are a consensus diagnosis, i.e. you show it to a colleague... if they agree you can call it. | ||
==Gross== | |||
*Exophytic lesion. | |||
==Microscopic== | ==Microscopic== | ||
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*[[Low grade papillary urothelial carcinoma]]. | *[[Low grade papillary urothelial carcinoma]]. | ||
*[[PUNLMP]]. | *[[PUNLMP]]. | ||
===Images=== | |||
<gallery> | |||
Image: Urothelial papilloma -- very low mag.jpg | UP - very low mag. | |||
Image: Urothelial papilloma -- low mag.jpg | UP - low mag. | |||
Image: Urothelial papilloma -- intermed mag.jpg | UP - intermed mag. | |||
Image: Urothelial papilloma -- high mag.jpg | UP - high mag. | |||
Image: Urothelial papilloma -- very high mag.jpg | UP - very high mag. | |||
Image: Urothelial papilloma - alt 1 -- high mag.jpg | UP - high mag. | |||
Image: Urothelial papilloma - alt 2 -- high mag.jpg | UP - high mag. | |||
</gallery> | |||
==Sign out== | |||
<pre> | |||
Urinary Bladder, Biopsy: | |||
- Urothelial papilloma. | |||
</pre> | |||
===Microscopic=== | |||
The sections show superficial fragments of a papillary urothelial lesion. The cytology and thickness is that of normal urothelium. No proliferation is apparent. | |||
==See also== | ==See also== | ||
*[[Urothelium]]. | *[[Urothelium]]. | ||
*[[PUNLMP]]. | *[[PUNLMP]]. | ||
*[[Inverted urothelial papilloma]]. | |||
==References== | ==References== | ||