Crossed fused renal ectopia

Case contributed by Ammar Haouimi


Left flank pain.

Patient Data

Age: 25 years
Gender: Male

Both kidneys are located on the left side in keeping with crossed fused ectopia. The right kidney is malrotated, crosses the midline to the left side, and fused with the lower pole of the left kidney. No renal or ureteral stone. No hydronephrosis.

Case Discussion

CT urogram of crossed fused renal ectopia L-shaped kidney (type e).

Crossed fused renal ectopia is defined as a renal anomaly where both kidneys are fused and located on the same side of the midline.

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