case_images: PMC8321762_01
case_images: Retrograde pyelogram showed a complete occlusion (~2 centimeters in length) of the proximal ureter. Contrast examination showed a tortuous proximal ureter with kinking.
case_images: CRIS2021-6646958.001.jpg
case_images: PMC8321762_01_CRIS2021-6646958.001.jpg
case_images: fig1
case_images: A decision was made not to balloon dilate the stricture with a high risk of failure given the length of obstruction (Figure 1).
case_images: MRI shows a dilated right proximal ureter and pelvicalyceal system.
case_images: CRIS2021-6646958.002.jpg
case_images: PMC8321762_01_CRIS2021-6646958.002.jpg
case_images: fig2
case_images: A follow-up MRI was obtained which revealed mild pelvicaliectasis of the right kidney with ureteral narrowing in the region of the proximal ureter (Figures 2 and 3).
case_images: MRI shows encasement of the proximal right ureter, which intraoperatively was found to be due to a fibrous sheath.
case_images: CRIS2021-6646958.003.jpg
case_images: PMC8321762_01_CRIS2021-6646958.003.jpg
case_images: fig3
case_images: A follow-up MRI was obtained which revealed mild pelvicaliectasis of the right kidney with ureteral narrowing in the region of the proximal ureter (Figures 2 and 3).