Vascular Malformations Tumors and Hemangiomas

Vascular malformations, tumors and hemangiomas all refer to a variety of non-cancerous birthmarks and lesions. Boston Children's Hospital is home to internationally renowned physicians for their expertise and innovative contributions to this highly specialized field.


   •   Infantile hemangiomas are the most common type of vascular anomaly
   •   They are a benign (noncancerous) tumor
   •   Occur in 4 to 10 percent of infants and more frequently in premature

   •   Growths are typically noticed in the first two weeks of life
   •   They enlarge rapidly, outpacing the rest of the body's growth for the
        first year
   •   After infancy, they slowly regress
   •   Usually fully involutes (shrink) by 5 to 7 years old
   •   Some residual fatty tissue or thin skin may remain after involution

Vascular malformations

   •   Vascular malformations are benign (non-cancerous) lesions
   •   They are present at birth, but may not become visible for weeks or months after birth
   •   Unlike hemangiomas, vascular malformations do not have a growth cycle and then regress but instead continue
       to grow slowly throughout life.

How Boston Children's Hospital approaches vascular anomalies

The Vascular Anomalies Center at Boston Children's Hospital offers the latest diagnostic and treatment approaches, some of which were pioneered by our staff. Our team provides comprehensive consultation services to physicians and families worldwide, including referrals to local medical centers and physicians when appropriate.

The Vascular Anomalies Center (VAC) at Children's is composed of a unique interdisciplinary team of 26 physicians, representing 18 departments, who have developed sub-sub specialization in the field of vascular anomalies. Many of these physicians are internationally renowned for their expertise and innovative contributions to this highly specialized field.