Aortic nipple

Dr Henry Knipe and Dr Marcin Czarniecki et al.

An aortic nipple is seen in about 10% of PA chest x-rays on the lateral surface of the aortic arch/aortic knob. It represents the left superior intercostal vein.

When prominent, superior vena cava obstruction should be considered as the left superior intercostal vein serves as a collateral pathway.

Chest
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Article information

rID: 27134
System: Chest
Section: Gamuts, Approach
Tag: stub, refs, cases
Synonyms or Alternate Spellings:

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Cases and figures

  • Case 1
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  • Case 2: annotated CXR
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  • Case 2: 3D CT reconstruction
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