Bilateral Ureteral Stenosis with Hydronephrosis as First Manifestation of Granulomatosis with Polyangiitis (Wegener’s Granulomatosis): A Case Report and Review of the Literature
Table 1
Causes of bilateral or potentially bilateral ureteral obstruction.
Urinary tract malformations
Several mainly congenital pediatric diseases
Urolithiasis and endoluminal obstruction
Calculi, papillary necrosis with sloughed papilla, blood clots, fungus balls
Intrinsic ureteral obstruction
Transitional cell carcinoma and other malignant neoplasms fibroepithelial polyps, ureteritis cystica