A splenic hemangiomatosis case manifested by Kasabach-Merritt syndrome in an adult

Benign vascular tumors are the most common congenital lesions in infancy and childhood. They are generally superficial subcutaneous tumors and most of them regress gradually during prepubertal period. Such tumors are histologically heterogeneous and may show different clinical outcomes. However historically, most of the benign-looking vascular lesions were simply categorized as capillary or cavernous hemangiomas. Today, they are categorized as distinguishable lesions both architecturally and immunophenotypically, such as congenital hemangiomas, non-involuting congenital hemangioABSTRACT