No: Hemangiomas can be hereditary, or sporadic, i.E they just happen. Usually the don't require treatment, unless they are very large, or in a sensitive place such as around the eye.
Answered 6/23/2012
5.9k views
They can be.: I respectfully disagree with dr. Evans. There are 8-10 published papers on the increase of hemangiomas after chorionic villous sampling (cvs). No one knows why this association occurs, but it is probably the same reason as the higher incidence of hemangiomas in premature infants. This is felt to be due to fetal "stress".
Answered 5/19/2013
5.9k views
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