IgG4-related kidney disease complicated with retroperitoneal fibrosis: A case report

Figure 1 Enhanced computed tomography of the total abdomen suggested retroperitoneal fibrosis. A and B: At the abdominal aorta, the furcation of the iliac artery, middle sacral artery, bilateral common iliac arteries and inferior vena cava were encysted by the front soft tissue mass; C and D: The middle piece of both ureters was narrowed. The upper section of the bilateral ureters was dilated, and there was mild hydronephrosis of both kidneys.