FIGURE 3  Fluoroscopic image showing the passage of the ureteroscope proximal to the stricture.

From the following article:

A case of iatrogenic ureteric injury presenting with headache

Simon Phipps, Martin A Roder, Peter Aslan, Mark Brown and William Lynch

Nature Clinical Practice Urology (2008) 5, 113-116
doi:10.1038/ncpuro0998