The Teaching Point

Ureteral polyps are a rare cause of ureteropelvic junction obstruction in children that should be considered when working up a child with abdominal pain or hematuria. They are difficult to diagnose pre-operatively and therefore require a high index of clinical suspicion and close examination of the patient`s imaging for clues to this etiology.






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From the manuscript

Ureteral fibroepithelial polyp causing urinary obstruction

Free full text article: Ureteral fibroepithelial polyp causing urinary obstruction

Abstract
Ureteral polyps are rare causes of ureteropelvic junction (UPJ) obstruction, particularly in children. We report a nine year-old boy with UPJ obstruction initially suggestive of an obstructive urinary stone. CT showed intraureteral calcification at the UPJ and hydronephrosis. A retrograde pyelogram showed narrowing at the UPJ and partial obstruction that was found to be a ureteral polyp. This case illustrates a rare cause of UPJ obstruction that should be considered when the imaging findings and presentation are atypical for more common etiologies of ureteral obstruction.






References



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