A member asked:

Sudden appearance of veins on chest and upper arms they are large and dark blue are from upper arms to front of shoulders to chest and top of breast?

5 doctors weighed in across 3 answers

Venous obstruction: The veins could be collateral vessels that are prominent because of venous obstruction in the shoulder. This is most likely caused by a venous thrombosis and can be diagnosed with a venous ultrasound. Have that done asap. If you have a venous thrombosis, seek the help of a vascular surgeon.

Answered 6/29/2016

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Central stenosis: This could possibly be related to a stenosis (or narrowing) of the veins in the center of the chest or in the top of the arm. A vascular specialist could help diagnosis this with possibly an ultrasound or other imaging study.

Answered 11/6/2016

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Svc syndrome: Could be blockage of the main vein in the chest.

Answered 4/17/2019

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