Crossed non-fused renal ectopia

Case contributed by Maulik S Patel
Diagnosis almost certain

Presentation

Recurrent abdominal pain. An incidental finding.

Patient Data

Age: 60 years
Gender: Female
ultrasound
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Info

The right kidney (94 x 39 mm) is located in the right renal fossa with normal cortico-medullary differentiation without calculus, back pressure changes, or mass lesions.

Empty left renal fossa. No kidney in the left lumbar region/ left iliac fossa. 'Left' kidney (68 x 34 mm) is located on the right side below the aortic bifurcation with normal cortico-medullary differentiation without calculus, back pressure changes, or mass lesions. No fusion of the kidneys.

The urinary bladder is partially distended. No calculus/ wall thickening.

Case Discussion

An incidental finding of non-fused kidneys on the right side with empty left renal fossa.

'Left' renal artery from right common iliac artery/ aortic bifurcation. Both vesicoureteric junctions were normally located. (images not documented).

No cause for the abdominal pain was found. 

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