Case of the month October 2005: Miscellaneous causes of dilatation of the collecting system

Retroperitoneal fibrosis with a mass around the distal abdominal aorta and proximal common iliac arteries with dilatation of the right and left kidney and an urinoma on the left side

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Ultrasound Images & Clips

Retroperitoneal fibrosis with a mass around the distal abdominal aorta and proximal common iliac arteries with dilatation of the right and left kidney and an urinoma on the left side

Left kidney with dilatated collecting system and perirenal effusion longitudinal

Left kidney and perirenal effusion transverse

Right kidney with dilatated collecting system longitudinal

Right kidney with dilatated collecting system transverse

Mass around the distal aorta transverse

Mass around the distal aorta and inferior mesenteric artery transverse

Mass around the distal aorta and dilatated right ureter transverse

Retroperitoneal fibrosis with a mass around the distal abdominal aorta and proximal common iliac arteries with dilatation of the right and left kidney and an urinoma on the left side

Mass ventral of the distal abdominal aorta and a normal proximal aorta longitudinal

Mass ventral of the distal abdominal aorta longitudinal

Mass ventral of the distal abdominal aorta and inferior mesenteric artery longitudinal

Mass extending along the distal aorta and proximal left common iliac artery

Mass extending along the proximal left common iliac artery. The distal common iliac artery is normal.

Mass extending along the proximal right common iliac artery

Mass extending along the proximal right common iliac artery. The distal common iliac artery is normal.

Retroperitoneal fibrosis with a mass around the distal abdominal aorta and proximal common iliac arteries with dilatation of the right and left kidney and an urinoma on the left side

CT scan

Plain abdominal X ray showing a stent in the right and left ureter

The same patient after treatment: Follow up examination of the same patient with retroperitoneal fibrosis after corticosteroid treatment. There is regression of the mass.

Longitudinal image with regression of the mass around the aorta

Transverse image with regression of the mass around the aorta

Longitudinal image with regression of the mass around the common iliac artery

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Author

Dr. Taco Geertsma

Retired Radiologist, Gelderse Vallei Hospital

Dr. Taco Geertsma is the founder of UltrasoundCases.info and a retired radiologist and has worked in the Gelderse Vallei hospital from January 1, 1983. till July 1, 2014. He was the head of the ultrasound department for many years.

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