Juvenile hemangiomas are common, benign vascular tumors of infancy. These lesions
enlarge rapidly through cellular hyperplasia during the first year of life and then involute over
several years. Distinctive histopathologic features of hemangiomas diminish during this
evolution, and differentiation from vascular malformations becomes increasingly difficult.
This distinction has important therapeutic implications, as juvenile hemangiomas differ from
malformations in natural history and in potential for recurrence. We report here that high …