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Vascular Malformations and Hemangiomas What is a hemangioma? A hemangioma is a type of birthmark. It is the most common benign (non-cancerous) tumor of the skin. Hemangiomas may be present...

Primitive Neuroectodermal Tumors (PNETs) What are Primitive Neuroectodermal Tumors? After leukemia and lymphoma, brain tumors are the most common type of childhood cancer. Primitive neuroectodermal tumors (PNETs) are malignant tumors...

Pediatric Tumors What are Pediatric Tumors? While tumors of the nervous system may sound rare, they are in fact the most common solid tumor of childhood. They may present at...