Horseshoe kidney with partial obstruction

Case contributed by Ian Bickle
Diagnosis certain

Presentation

Left flank pain.

Patient Data

Age: 40 years
Gender: Male
Fluoroscopy

The control film illustrates the abnormal orientation of the kidneys with the soft tissue isthmus, in keeping with a horseshoe kidney.  No renal tract calculi.

Following IV contrast, the 5 and 70 minute films confirm the collecting system are in keeping with a horseshoe kidney, with the left sided moiety, showing a progressively dilated collecting system in keeping with PUJ obstruction, a known association.

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