Thursday, April 14, 2011

CT Renal angiography - Normal

 3D volume rendering image showing normal bilateral renal arteries and aorta
Coronal curved multi planar reformatted image showing normal bilateral renal veins.

Renal arteries: 
  • Single renal arteries bilaterally that originates from the abdominal aorta at the level of L3 below the origin of superior mesenteric artery. 
  • It is important to identify the variants of the renal arteries.

Renal veins:
  • Usually lies anterior to the renal artery at the renal hilum. 
  • Left is 3 times longer than right. 
  • Left – 6-10 cm length- courses anterior to aorta. 
  • Right – 2-4 cm in length. The left renal vein receives left gonadal, left adrenal and left lumbar tributaries.

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