A case of congenital peripheral primitive neuroectodermal tumor presenting with multiple metastases.

The report describes a case of a newborn with a huge congenital abdominal peripheral primitive neuroectodermal tumor, with peritoneal dissemination and cutaneous involvement, and discusses literature data. Peripheral primitive neuroectodermal tumor is an exceedingly uncommon tumor in this age group and is characterized by very aggressive behavior and poor prognosis.