Cutis marmorata telangiectatica congeita (CMTC) in Children

  • It can be upsetting when your child is born with a birthmark. And after your child’s doctor diagnoses it as cutis marmorata telangiectatica congenita (CMTC), you’ll probably have some questions.

    It’s entirely natural that you might be concerned about your child’s health; seeing the purple birthmark of CMTC can be frightening. But the most important thing we can say to you right now is “don’t worry.”

    Here’s what you need to know about CMTC:

    • It’s a distinctive deep purple, net-like staining pattern that is present at birth.
    • CMTC is a mostly cosmetic problem that substantially improves over the course of your child’s first year.
    • Since it poses little health risk, it rarely needs to be treated at all (fewer than one percent of kids who have CMTC receive any treatment for it).

    How Children’s Hospital Boston approaches cutis marmorata telangiectatica congenita

    Should we need to treat your child, you’re in the right place. Children’s is home to the world’s largest and most experienced Vascular Anomalies Center.

    When doctors anywhere in the world have questions about a child’s birthmark and how to treat it, they often call us. Our doctors have seen numerous kids with CMTC, so they understand more about this rare condition—which means that if your child needs treatment he will get the best care from the most experienced physicians.


    Cutis marmorata telangiectatica congenita: Reviewed by Marilyn Liang, MD,
    © Children’s Hospital Boston, 2010

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