case_images: PMC3914125_01
case_images: Abdominal computed tomography featuring the aorta with surrounding soft tissue mass.
case_images: CRIM.NEPHROLOGY2011-302963.001.jpg
case_images: PMC3914125_01_CRIM.NEPHROLOGY2011-302963.001.jpg
case_images: fig1
case_images: She underwent an abdominal computed tomography scan (Figure 1) which incidentally identified a confluent soft tissue mass tracking along the retroperitoneum encasing the surrounding vessels.
case_images: Retrograde pyelogram demonstrating evidence of extrinsic compression and medial deviation of the right ureter.
case_images: CRIM.NEPHROLOGY2011-302963.002.jpg
case_images: PMC3914125_01_CRIM.NEPHROLOGY2011-302963.002.jpg
case_images: fig2
case_images: The next morning she underwent a retrograde pyelogram demonstrating bilateral hydronephrosis, extrinsic compression, and medial deviation of the ureters, particularly on the right (Figure 2).
case_images: Surgical pathology showing inflammation.
case_images: CRIM.NEPHROLOGY2011-302963.004.jpg
case_images: PMC3914125_01_CRIM.NEPHROLOGY2011-302963.004.jpg
case_images: fig4
case_images: Surgical pathology confirmed tissue consistent with inflammation and ruled out any evidence of malignancy thus making the final diagnosis idiopathic retroperitoneal fibrosis (Figure 4).