Upper urinary tract fibroepithelial polyp: Difference between revisions
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==General== | ==General== | ||
*Presentation may include: hematuria, flank pain, urinary frequency.<ref name=pmid25611262/> | *Presentation may include: hematuria, flank pain, urinary frequency.<ref name=pmid25611262/> | ||
==Gross== | |||
*Classically proximal ureter.<ref name=pmid25611262>{{cite journal |authors=Georgescu D, Mulţescu R, Geavlete BF, Geavlete P, Vrabie CD, Drăghici IM, Stănescu C, Enescu A |title=Fibroepithelial polyps - a rare pathology of the upper urinary tract |journal=Rom J Morphol Embryol |volume=55 |issue=4 |pages=1325–30 |date=2014 |pmid=25611262 |doi= |url=}}</ref> | |||
==Microscopic== | ==Microscopic== | ||
Features:<ref name=pmid25611262/> | Features:<ref name=pmid25611262/> | ||
*Polypoid lesion (epithelium on three sides in plane-of-section) covered unremarkable urothelium. | *Polypoid lesion (epithelium on three sides in plane-of-section) covered unremarkable urothelium. | ||
==Sign out== | |||
<pre> | |||
A. Right Ureter, Lesion, Resection: | |||
- Benign urothelial fibroepithelial polyp with focal hemosiderin. | |||
- NEGATIVE for malignancy. | |||
</pre> | |||
===Micro=== | |||
The sections shows a polypoid lesion covered by a thin urothelium. The urothelium has an unremarkable appearance; all of the following are absent: anisonucleosis, apparent proliferation, lack of maturation. The core of the lesion is fibrous and edematous. Hemosiderin and siderophages are present. | |||
==See also== | ==See also== | ||
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[[Category:Diagnosis]] | [[Category:Diagnosis]] | ||
[[Category: | [[Category:Urothelium]] | ||
Revision as of 18:07, 23 September 2025
Upper urinary tract fibroepithelial polyp is a rare benign pathology of the upper urinary tract that can mimic malignancy.[1][2]
Ureteral fibroepithelial polyp redirects here.
General
- Presentation may include: hematuria, flank pain, urinary frequency.[2]
Gross
- Classically proximal ureter.[2]
Microscopic
Features:[2]
- Polypoid lesion (epithelium on three sides in plane-of-section) covered unremarkable urothelium.
Sign out
A. Right Ureter, Lesion, Resection: - Benign urothelial fibroepithelial polyp with focal hemosiderin. - NEGATIVE for malignancy.
Micro
The sections shows a polypoid lesion covered by a thin urothelium. The urothelium has an unremarkable appearance; all of the following are absent: anisonucleosis, apparent proliferation, lack of maturation. The core of the lesion is fibrous and edematous. Hemosiderin and siderophages are present.
See also
References
- ↑ Wang ZJ, Meng MV, Yeh BM, Goldstein RB (November 2008). "Ureteral fibroepithelial polyp". J Ultrasound Med 27 (11): 1647–9. doi:10.7863/jum.2008.27.11.1647. PMC 2745550. PMID 18946106. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2745550/.
- ↑ 2.0 2.1 2.2 2.3 Georgescu D, Mulţescu R, Geavlete BF, Geavlete P, Vrabie CD, Drăghici IM, Stănescu C, Enescu A (2014). "Fibroepithelial polyps - a rare pathology of the upper urinary tract". Rom J Morphol Embryol 55 (4): 1325–30. PMID 25611262.