Tehran University of Medical Sciences Case Reports in Clinical Practice 2538-2683 7 2 2022 09 26 75 78 Alireza Akhavan Rezayat Department of Urology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran. Amir Yarahmadi Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran. AND Transplant Research Center, Shiraz University of Medical Sciences, Shiraz, Iran. Atena Aghaee Nuclear Medicine Research Center, Mashhad University of Medical Sciences, Mashhad, Iran. Farid Zeynali Kidney Transplantation Complications Research Center, Mashhad University of Medical Sciences, Mashhad, Iran. Salman Soltani Kidney Transplantation Complications Research Center, Mashhad University of Medical Sciences, Mashhad, Iran. 2021 05 20 2021 10 03 Ureteral fibroepithelial polyps (UFPs) are rare abnormality that may cause ureteral obstruction. Herein, we report a 35- year- old woman with flank pain, dysuria, frequency and transient total gross hematuria. A mass in the right ureter was reported on imaging and in endoscopic evaluation, small polypoid mass protruding from the right ureteral orifice in the bladder, and a huge ureteral mass originating from proximal ureter was observed. A right subcostal flank incision was done, a huge polypoid mass with a segment of ureteral was excised, and end-to-end anastomosis of the ureter was done. Histopathological examination showed a UFP without malignancy. https://crcp.tums.ac.ir/index.php/crcp/article/view/543