A Congenital High Flow Arteriovenous Malformation of the Bladder Presenting With Polypoid Cystitis and Ureteral Obstruction

Urology Case Reports
Eric A AddoDavid J Hernandez

Abstract

A 21-year-old male with a history of Down's syndrome presented with hematuria and right flank pain. Computed Tomography (CT) of the abdomen/pelvis revealed right hydronephrosis and a right-sided pelvic vascular abnormality. Angiography revealed an arteriovenous malformation (AVM) fed by the right superior and inferior vesical arteries and nephrostogram showed a long segment of obstructed distal right ureter. Cystoscopy revealed erythema and edema of the right hemi-bladder and biopsy diagnosed polypoid cystitis. Treatment was performed by transarterial embolization with ethylene vinyl alcohol copolymer. Follow up cystoscopy and retrograde pyelography at 3 months post-procedure showed resolution of all visible pathology.

References

May 9, 2002·Journal of Vascular and Interventional Radiology : JVIR·Flavio CastanedaPeter S Abdel-Sayed
Nov 5, 2011·Journal of Vascular Surgery·Young Soo DoYang Jin Park
Dec 12, 2012·The Journal of Urology·Oleksandr N Kryvenko, Jonathan I Epstein

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Citations

Oct 12, 2017·Radiographics : a Review Publication of the Radiological Society of North America, Inc·Susan C ShelmerdineGovind B Chavhan
Oct 20, 2020·Pathology·Hemamali SamaratungaLars Egevad

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Methods Mentioned

BETA
biopsies
surgical resection

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