What is a blister aneurysm?

Blister aneurysms represent 1% of intracranial aneurysms and are usually located at the posterior nonbranching portions of the distal internal carotid artery (ICA). [1] They are small lesions of intracranial blood vessels with only a fibrous layer of tissue in the wall in a hemispheric configuration.

What is a blister on the brain?

A cerebral or intracranial aneurysm is an abnormal focal dilation of an artery in the brain that results from a weakening of the inner muscular layer (the intima) of a blood vessel wall. The vessel develops a “blister-like” dilation that can become thin and rupture without warning.

What causes blister aneurysm?

Blister-like aneurysm of the supraclinoid internal carotid artery (ICA) is a well-documented cause of subarachnoid hemorrhage. Generally, this type of aneurysm is associated with various conditions such as hypertension, arteriosclerosis, and ICA dissection.

What is a cherry aneurysm?

What is a berry aneurysm. An aneurysm is an enlarging of an artery caused by weakness in the artery’s wall. A berry aneurysm, which looks like a berry on a narrow stem, is the most common type of brain aneurysm. They make up 90 percent of all brain aneurysms, according to Stanford Health Care.

What are the different types of brain aneurysm?

There are three types of cerebral aneurysms:

• Saccular aneurysm. A saccular aneurysm is a rounded sac containing blood, that is attached to a main artery or one of its branches.
• Fusiform aneurysm. A fusiform aneurysm balloons or bulges out on all sides of the artery.
• Mycotic aneurysm.

What is another name for aneurysm?

Symptoms and causes of a brain aneurysm

How many kinds of aneurysms are there?

There are three types of aneurysms: abdominal aortic, thoracic aortic, and cerebral.