Endoscopic treatment of urothelial encrusted pyelo-ureteritis disease: A case series

Figure 2 Imaging and endoscopic images of patient 2. A: Preoperative coronal non-enhanced computed tomography (NCCT) (A1) and KUB (A1) scans showed calcification within the bilateral upper urinary tract and stents of both kidneys; B: The left anterograde lumen before (B1) and after (B2) encrusted tissue removal during the first-stage operation; C: The right retrograde lumen before (C1) and after (C2) encrusted tissue removal during the first-stage operation; D: NCCT scan performed 3 mo postoperatively showed that the bilateral calcification disappeared and the stents were in good positions; E: Right retrograde lumen stent replacement performed 3 mo postoperatively before (E1) and after (E2) encrusted tissue removal; F: Left retrograde lumen stent replacement performed 3 mo postoperatively before (F1) and after (F2) encrusted tissue removal. NCCT: Non-enhanced computed tomography); KUB: Kidney, ureter, and bladder.