Cerebral Aneurysm

A cerebral aneurysm is a weakened, bulging area in the wall of a blood vessel in the brain. Many aneurysms are small and never cause problems, but larger ones — or ones that rupture — can be serious.

Signs & Symptoms

Most unruptured aneurysms cause no symptoms and are found incidentally on imaging done for another reason. A larger aneurysm may cause headache, vision changes, or eye pain. A sudden, severe headache — often described as the “worst headache of your life” — can signal a rupture and is a medical emergency.

Causes & Risk Factors

Aneurysms can be present from birth or develop over time. High blood pressure, smoking, and a family history of brain aneurysms all increase the risk.

Diagnosis

Diagnosis is typically made with imaging such as an MRI, CT scan, or a specialized scan of the brain’s blood vessels (angiogram).

Treatment Options

Some small, unruptured aneurysms are simply monitored over time. Others are treated with surgical or minimally invasive options to reduce the risk of rupture.

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This information is for general education and isn’t a diagnosis or medical advice. If you’re experiencing a sudden, severe headache, seek emergency care or call 911. To find out what’s right for you, request an appointment or call 810-262-7030.