Dural arteriovenous fistula

Dural arteriovenous fistula
This dural arteriovenous fistula of the superior sagittal sinus drains into subarachnoid veins and is classified as Borden type IIIb.
Specialty	Neurology Neurosurgery
Symptoms	Cognitive changes, including memory loss, rapidly progressive dementia, dyscalculia, hallucinations, psychomotoric slowing, apathy, disorientation, executive dysfunction Parkinsonism Headache Visual impairment, blurred vision Tinnitus Urinary incontinence Myoclonus
Complications	Hemorrhagic stroke, cardiomegaly
Diagnostic method	Medical imaging: Magnetic Resonance Imaging Magnetic Resonance Angiography Digital Substraction Angiography SPECT
Treatment	Arteriovenous fistula obliteration, including: embolization surgery radiosurgery

A dural arteriovenous fistula (DAVF) or malformation is an abnormal direct connection (fistula) between a meningeal artery and a meningeal vein or dural venous sinus.