Hydrocephalus caused by a venous varix.
BACKGROUND
Vascular malformations are uncommon causes of aqueductal obstruction. To our concern, only one case of hydrocephalus caused by a venous varix draining an unruptured arteriovenous malformation has been described in the literature.


METHODS
We report the case of a 70-year-old woman presenting with progressive cognitive impairment, gait disturbance and urinary incontinence. Magnetic resonance imaging and magnetic resonance angiography revealed a large venous varix draining an unruptured arteriovenous malformation causing hydrocephalus.


CONCLUSIONS
Although uncommon, it is necessary to consider the presence of a vascular malformation in adults who presented with signs of aqueductal obstruction.
Arantes
M
M
Department of Neuroradiology, Hospital Pedro-Hispano, Rua Dr-Eduardo-Torres, 4454-509 Matosinhos, Portugal. mavildearantes@hotmail.com
Romão
H
H
Resende
M
M
Costa
M
M
Garcia
R
R
Resende-Pereira
J
J
D000368:Aged; D003072:Cognition Disorders / Q000209:etiology; D005260:Female; D020233:Gait Disorders, Neurologic / Q000209:etiology; D006801:Humans; D006849:Hydrocephalus / Q000209:etiology* / Q000473:pathology; D002538:Intracranial Arteriovenous Malformations / Q000150:complications / Q000473:pathology; D018810:Magnetic Resonance Angiography; D008279:Magnetic Resonance Imaging; D014057:Tomography, X-Ray Computed; D014549:Urinary Incontinence / Q000209:etiology; D014648:Varicose Veins / Q000150:complications* / Q000473:pathology