Importance Congenital hemangiomas are uncommon benign vascular tumors that present
fully formed at birth. They are rarely associated with transient hematologic abnormalities,
which are typically less severe than the Kasabach-Merritt phenomenon associated with
kaposiform hemangioendotheliomas. Congenital hemangiomas are typically solitary and
have not been reported to occur in a multifocal, generalized pattern. Objective To describe a
male infant born with an unusual, large vascular mass complicated by anemia …