Cerebral aneurysm
Cerebral Aneurysm
A Cerebral Aneurysm (pronounced: sə-ˈrē-brəl ˈa-nə-ˌriz-əm), also known as a brain aneurysm, is a bulge or ballooning in a blood vessel in the brain. It often looks like a berry hanging on a stem.
Etymology
The term "Cerebral Aneurysm" is derived from the Greek words "kerebro" meaning brain and "aneurysma" meaning a widening.
Causes
Aneurysms in the brain occur when there is a weakened area in the wall of a blood vessel. An aneurysm can grow large and rupture (break open) or dissection (leaking blood along the wall of the blood vessel). Cerebral aneurysms can occur anywhere in the brain, but most form in the major arteries along the base of the skull.
Symptoms
Symptoms of a cerebral aneurysm can vary greatly from person to person, and depending on whether the aneurysm has ruptured or not. Some people with cerebral aneurysm may experience no symptoms at all. However, common symptoms can include sudden severe headache, nausea, vomiting, blurred or double vision, sensitivity to light, seizure, drooping eyelid, loss of consciousness, and confusion.
Diagnosis
Diagnosis of a cerebral aneurysm is usually made through a CT scan or MRI. In some cases, a CSF test may be used to check for signs of bleeding in the brain.
Treatment
Treatment for a cerebral aneurysm depends on the size, location, and whether the aneurysm has ruptured. Treatment options can include observation, endovascular coiling, or neurosurgical clipping.
Related Terms
- Subarachnoid hemorrhage: Bleeding into the space surrounding the brain, often from a ruptured aneurysm.
- Endovascular coiling: A procedure performed to block blood flow into an aneurysm.
- Neurosurgical clipping: A surgical procedure to close off an aneurysm.
External links
- Medical encyclopedia article on Cerebral aneurysm
- Wikipedia's article - Cerebral aneurysm
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