Saccular aneurysm
The most common type of brain aneurysm. Saccular aneurysms have a “neck” that connects the aneurysm to the parent artery and a larger, rounded area called the dome. Also called “berry” aneurysms.
The most common type of brain aneurysm. Saccular aneurysms have a “neck” that connects the aneurysm to the parent artery and a larger, rounded area called the dome. Also called “berry” aneurysms.
A particular type of vascular malformation of the brain. An abnormal collection or tangle of arteries and veins located within the substance of the brain in which a maldevelopment of capillaries (which normally connect the arteries and veins) allows a high flow short cut through the brain.
A thick-walled blood vessel carrying blood flow from the heart to any organ of the body, including the brain.
Synonymous with angiogram.
The diagnostic radiology study performed to search for an aneurysm or vascular malformation. The radiologist passes a catheter up from an artery in the groin to the arteries in the neck; he or she then injects dye into the carotid and vertebral arteries while multiple x-rays are taken of the arteries in the brain.
A surgical operation in which the surgeon creates a new channel to bring blood flow to the brain. In rare cases when an aneurysm can’t be clipped or coiled, the surgeon may have to perform a bypass operation, bringing blood flow through a new channel beyond the aneurysm and then trapping the segment of the artery with the aneurysm between clips.
A procedure performed by a neuroradiologist or neurosurgeon in which an artery is temporarily blocked while the patient is awake in order to determine whether it is safe to permanently block the artery. In rare cases when neither clipping nor coiling is possible, aneurysms are treated by blocking the entire involved artery and aneurysm together (see parent artery occlusion).
In the setting of severe vasospasm, the neuroradiologist may perform an angiogram and then pass a catheter with a balloon on its tip all the way up into the narrowed brain artery, then inflate the balloon to mechanically dilate the artery.
(computerized tomography angiography) – In this procedure, a contrast dye is injected into the bloodstream prior to CT scanning. This process produces detailed images of blood flow in the brain’s arteries.
Any operation in which the skull is opened, including the surgical procedure for clipping an aneurysm.
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