Cerebral Vasospasm Key Points Cerebral vasospasm following subarachnoid hemorrhage is a poorly understood phenomenon with an unclear correlation with the delayed ischemic neurologic deficits (DINDs) seen in a subgroup of…

Dural Sinus Occlusive Disease Key Points Dural sinus stenotic disease may be a common cause of benign intracranial hypertension and idiopathic headache. Endovascular treatment for this condition may play a…

ENT Bleeding and Tumor Embolization Key Points Airway protection is one of the biggest oversights or risk factors affecting patient safety and outcome during head and neck embolizations. Hazardous anastomotic…

Bow Hunter’s Stroke Key Points Bow hunter’s stroke is probably not as rare as the literature would suggest but requires an observant history from the patient. Patients are very reluctant…

Vasculitides Involving the Central Nervous System Key Points Primary angiitis of the central nervous system (PACNS) is a rare disorder, far less common than mimics such as reversible vasoconstriction syndrome…

Reversible Cerebral Vasoconstriction Syndrome Key Points Reversible cerebral vasoconstriction syndrome (RCVS) is a relatively common disorder, sharing pathophysiologic features with a spectrum of disorders, including posterior reversible encephalopathy syndrome (PRES),…

Nonaneurysmal Perimesencephalic Subarachnoid Hemorrhage Key Points Approximately 5% of nontraumatic subarachnoid hemorrhages conform to the benign pattern of nonaneurysmal subarachnoid hemorrhage. Even with this pattern of hemorrhage however, there is…

Carotid-Cavernous Fistulas Key Points The intraocular pressure is an important datum in the deliberation on when it is necessary to treat a patient with a carotid-cavernous fistula urgently, particularly when…

Pediatric Ischemic Stroke and Arteriopathy Key Points The spectrum of transient or progressive cerebral arteriopathy of childhood may not be familiar to those with a predominantly adult-based practice. Intracranial dissection…

Vascular Malformations of the Spine Key Points All of the available sources of supply to the anterior spinal artery may not declare themselves readily on the initial angiographic evaluation. Care…