A 43-year-old female asked:
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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?

1 doctor answer
Dr. Michael Tomeo
38 years experience Dermatology
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 on Dec 18, 2018
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