Management of Ureterolithiasis in a Patient with Crossed Unfused Renal Ectopia

Figure 1

Coronal (a) and sagittal (b) sections of unenhanced computed tomography of the abdomen show left-to-right crossed unfused renal ectopia and a 5 mm stone (arrows) in the proximal ureter of the kidney located cranially. A left inferior vena cava is also seen.

(a)

(b)