Ectopic right pelvic kidney

Case contributed by Mark Sugi
Diagnosis almost certain

Presentation

Abdominal pain.

Patient Data

Age: 70 years
Gender: Male
ct

Contrast-enhanced CT shows a right pelvic kidney and a left kidney in normal position. The right renal artery arises from the distal aorta just proximal to the bifurcation with early branching. Two renal veins drain the kidney into the left common iliac vein and directly into the inferior vena cava, respectively. Ureteral drainage into the bladder is normal bilaterally.

An exophytic area of fatty change at the left inferior kidney corresponds to a remote ablation site.

Case Discussion

Pelvic positioning of the kidney is due to failure to ascend in early development around the 9th week of gestation.

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