28-year-old male with a history of malrotated left kidney presents with abdominal pain and hematuria. ABDOMEN:LIVER, BILIARY TRACT: No significant abnormality noted.SPLEEN: No significant abnormality noted.PANCREAS: No significant abnormality noted.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: Note is made of an anteriorly located left renal hilum and laterally displaced left proximal ureter consistent with the stated history of malrotation. There are two left renal arteries. There is an obstructing left renal calculus at the level of the left UPJ which measures approximately 4 mm in diameter. There is mild left hydronephrosis to the level of the aforementioned stone. The right kidney is normal in size and appearance with single right renal artery. There are no focal mass lesions identified in either kidney. The distal ureters are not well assessed on this non dedicated study.RETROPERITONEUM, LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: No significant abnormality noted.PELVIS:PROSTATE/SEMINAL VESICLES: No significant abnormality noted.BLADDER: No significant abnormality noted.BONES, SOFT TISSUES: No significant abnormality noted.
1. Left sided renal calculi, including a 4-mm calculus at the level of the UPJ, resulting in mild left sided hydronephrosis. 2. Malrotated left kidney with two left renal arteries, as detailed above. 