 [ Symptoms ] what causes patches of tiny purpleyred spider veins on your breasts  they are very prominent when i am cold not so much when i am warm i am fair skinned so they can really stand out they are on both breasts but more on one than the other of course everything i googled said bc but i do not think it would come and go like that also they are closer to my cleavage area on top of my breasts  i had a mammogram two months ago and it was normal if my doc saw them she did not say anything about it wondered if anyone else has this problem thanks [ Disease ] hi google this sclerotherapy for breast veins i think you will find your answer to your problem do hope this helps good luck