Cystic Cavernoma of Fourth Ventricle in Pediatric Patient.

Background: Cystic cerebral cavernomas belong to a rare subset of cavernous malformations in the brain. At present, there is limited information with regard to the demographics and etiology of this condition.

Case Description: The authors present a case of a previously well 13-year-old male who presented with symptoms secondary to a cystic lesion of the fourth ventricle compressing on his brainstem.

Pediatric de novo cerebral AVM: report of two cases and review of literature.

Purpose: Cerebral arteriovenous malformation (AVM) is traditionally thought of as a congenital diagnosis. In recent years, there has been infrequent reports of this neurovascular condition presenting as de novo entities.

Methods: The authors report two cases of pediatric patients who present with de novo cerebral AVMs.