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A member asked:

Blue (vein colour) mark not lump under skin 3mm rubbed it a couple times disappeared didn't blanch no injury what could it have been?

A doctor has provided 1 answer

Rubbing a mark: If pressure over a bluish mark under the skin does cause it to blanch or temporarily disappear, then very likely it is a broken or abnormal vascular structure such as a varicose (spider) vein or an angioma or a telangiectasia.

Answered 3/15/2022

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