Dr. med. Dirk Manski

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Malrotation of the Kidney

Definition of Renal Malrotation

The final physiological kidney position includes the rotation of the kidney with an orientation of the renal pelvis to the medial and the renal calyces to the lateral. Malrotation of the kidney can be in any direction, with an orientation of the pelvis anteriorly, posteriorly, and laterally. Renal malrotation is frequent if other abnormalities are present.

Signs and Symptoms of Renal Malrotation

A malrotated kidney often does not cause any symptoms. Due to changes in position, hydronephrosis or stone formation is more common.

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  Deutsche Version: Malrotation der Nieren