Detection and Treatment Guide Updated 2017 Detection-and-Treatment-2017 | Page 25

CT
Short for CT scan, or computed tomography scan. CT is a fast, painless, non-
invasive diagnostic tool that uses X-rays to produce cross-section images of
the body.
CTA
(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.
Endovascular
Within the blood vessels/vascular system.
Endovascular embolization
A procedure to treat abnormal blood vessels in the brain and other parts of
the body by cutting off their blood supply.
Familial aneurysms
When an individual with an aneurysm has two or more first-degree
blood relatives (a parent, child, or sibling) with proven aneurysms. Those
family members are at higher risk of an aneurysm than people in the
general population.
Fusiform aneurysm
An irregular-shaped widening of a brain vessel that does not have a discrete
neck or pouch.
Hemorrhagic stroke
A stroke caused by a ruptured blood vessel and characterized by bleeding
within or surrounding the brain.
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