case_images: PMC5399732_01
case_images: A noncontrast CT KUB showing bilateral renal and a right pelviureteral calculus. KUB, kidney, ureter, and bladder radiograph.
case_images: fig-1.jpg
case_images: PMC5399732_01_fig-1.jpg
case_images: f1
case_images: Over the next 2 years, he presented to the Urology Department several times with episodes of urolithiasis, which were difficult to manage as they were often bilateral, large, and radiolucent on plain X-rays and were matrix-like in character (Fig. 1).