Right kidney malrotation

Case contributed by Dr Arthur Daire


Young boy presenting with features of right pyeronephritis (right loin pain, fevers. Urine cultures were negative. a right renal mass was suspected on initial ultrasound (not shown).

Patient Data

Age: 8
Gender: Male

The study demonstrated a malrotated right kidney, which is positioned with the hilum in the anteolateral position. This is seen in both the portal venous and delayed phases,

Case Discussion

This study demonstrated an example of  renal malrotation, which is a normal variant. Poor drainage of the collecting system  (because of the position of the renal pelvis, can predispose the kidney to infection (due to urinary stasis) and  stone formation.

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Case information

rID: 30901
Published: 8th Sep 2014
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

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