Left superior intercostal vein (Vena intercostalis superior)

Layer: Vessels

Educational content only — not medical advice.

Anatomy

Drains the upper intercostal spaces; the right joins the azygos arch, while the left crosses the aortic arch to enter the left brachiocephalic vein.

Clinical notes

The left superior intercostal vein produces the radiographic "aortic nipple" seen on normal chest radiographs; dilates in SVC obstruction.

Related structures

Educational references

FAQ

What is the role of the Left superior intercostal vein?

Drains the upper intercostal spaces; the right joins the azygos arch, while the left crosses the aortic arch to enter the left brachiocephalic vein.

Why is the Left superior intercostal vein clinically important?

The left superior intercostal vein produces the radiographic "aortic nipple" seen on normal chest radiographs; dilates in SVC obstruction.

Source & license

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