title: Hematoma from arteriovenous malformation producing hydrocephalus and simulating a thalamic tumor. Report of two cases.
abstract: Two patients with a history of progressive unilateral neurological symptoms and signs, and evidence of obstructive hydrocephalus from a mass lesion adjacent to the third ventricle as demonstrated by pneumography, were each found to have an intracerebral hematoma secondary to remote hemorrhage from a small vascular malformation. One patient died shortly after surgical exploration and the other after ventriculography. The pathophysiology of hydrocephalus associated with a vascular malformation is discussed and the need for considering a benign cause for obstructive hydrocephalus from a mass deep in the brain substance is emphasized.
authors.affiliation: Department of Neurology, Hospital of the University of Pennsylvania, Philadelphia 19104, USA.
authors.forename: L K
authors.initials: LK
authors.lastname: Ng
authors.forename: G
authors.initials: G
authors.lastname: Schwarz
authors.forename: M M
authors.initials: MM
authors.lastname: Mishkin
mesh_terms: D001165:Arteriovenous Malformations / Q000150:complications* / Q000601:surgery; D001927:Brain Diseases / Q000150:complications* / Q000601:surgery; D001932:Brain Neoplasms / Q000473:pathology*; D003937:Diagnosis, Differential; D004569:Electroencephalography; D017809:Fatal Outcome; D006222:Hamartoma / Q000150:complications* / Q000601:surgery; D006801:Humans; D006849:Hydrocephalus / Q000175:diagnosis / Q000209:etiology*; D007427:Intracranial Pressure / Q000502:physiology; D008297:Male; D008875:Middle Aged; D013788:Thalamus / Q000473:pathology*