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Normal renal artery anatomy |
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70%, single arteries bilaterally |
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Origin at upper margin of L2 |
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Left artery travels in horizontal plane |
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Right artery travels in oblique plane |
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OR |
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arises lower and travels in horizontal plane |
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Renal artery anatomic variants |
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30%, multiple arteries |
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Supplementary arteries (to hilum) |
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Capsular arteries |
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Polar arteries from main artery or |
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aorta to parenchyma |
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Extrahilar branching |
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(early <1.5 cm from aorta) |
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