Upper urinary tract fibroepithelial polyp: Difference between revisions
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==Gross== | ==Gross== | ||
*Classically proximal ureter.<ref name= | *Classically proximal ureter.<ref name=pmid26425226>{{cite journal |authors=Ludwig DJ, Buddingh KT, Kums JJ, Kropman RF, Roshani H, Hirdes WH |title=Treatment and outcome of fibroepithelial ureteral polyps: A systematic literature review |journal=Can Urol Assoc J |volume=9 |issue=9-10 |pages=E631–7 |date=2015 |pmid=26425226 |pmc=4581930 |doi=10.5489/cuaj.2878 |url=}}</ref> | ||
==Microscopic== | ==Microscopic== | ||
Latest revision as of 18:14, 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.[3]
Microscopic
Features:[2]
- Polypoid lesion (epithelium on three sides in plane-of-section) covered unremarkable urothelium.
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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 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.
- ↑ Ludwig DJ, Buddingh KT, Kums JJ, Kropman RF, Roshani H, Hirdes WH (2015). "Treatment and outcome of fibroepithelial ureteral polyps: A systematic literature review". Can Urol Assoc J 9 (9-10): E631–7. doi:10.5489/cuaj.2878. PMC 4581930. PMID 26425226. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4581930/.