Cerebral angiography
Cerebral Angiography
Cerebral angiography (pronounced: səˈrēbrəl anjēˈäɡrəfē) is a diagnostic procedure used to visualize the blood vessels in the brain.
Etymology
The term "cerebral angiography" is derived from three words: "cerebrum" (Latin for brain), "angio" (Greek for vessel), and "graphy" (Greek for writing or recording).
Procedure
Cerebral angiography involves the injection of a contrast agent into the blood vessels of the brain. This is usually done through a small catheter inserted into a large artery, often in the groin. The contrast agent then travels through the bloodstream to the brain, where it highlights the blood vessels on X-ray images.
Uses
Cerebral angiography is primarily used to detect abnormalities in the blood vessels of the brain, such as aneurysms, arteriovenous malformations, and stenosis. It can also be used to guide certain treatments, such as endovascular surgery.
Risks
While cerebral angiography is generally safe, it does carry some risks, including stroke, infection, and allergic reactions to the contrast agent.
Related Terms
- Angiogram: An X-ray image of blood vessels after they are filled with a contrast material.
- Contrast Agent: A substance used to make structures or fluids within the body more visible on medical images.
- Catheter: A thin, flexible tube used to deliver medications, fluids, or gases to patients or to drain bodily fluids.
External links
- Medical encyclopedia article on Cerebral angiography
- Wikipedia's article - Cerebral angiography
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