PMC5098126_01
Retrograde pyelography reveals a filling defect (arrow) at the level of the ureteropelvic junction (UPJ).
fig-1.jpg
PMC5098126_01_fig-1.jpg
f1
Before the robotic correction of suspected UPJO, we usually place a Double-J ureteral stent; an intraoperative retrograde pyelogram showed a filling defect in the left ureteropelvic junction (UPJ) (Fig. 1).
The endoscopic appearance of the fibroepithelial polyp at the UPJ with white light and in spectra modality (SPIES).
fig-2.jpg
PMC5098126_01_fig-2.jpg
f2
The clinical diagnosis of FEP in the UPJ was finally achieved through a ureterorenoscopy (Fig. 2).
Intraoperative view of ureteral polyp protruding outside from the incision of UPJ.
fig-3.jpg
PMC5098126_01_fig-3.jpg
f3
A transverse distal renal pelvis incision revealed an irregularly shaped 25 mm polyp, circumferentially involving the ureteral lumen (Fig. 3).
High power view of section from the tissue shows a polypoid structure lined by benign transitional epithelium.
fig-4.jpg
PMC5098126_01_fig-4.jpg
f4