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Symptoms are linked to how big the aneurysm is, how fast it is growing and its location. Very small aneurysms which do not grow may go completely unnoticed. A large cerebral aneurysm (in the brain) may press on nerve tissue and trigger numbness in the face, or problems with the eyes. 1 Symptoms depend on the size of the aneurysm, how fast it is growing and its location. 2  A large cerebral aneurysm can lead to numbness in the face or problems with the eyes. 3  Cerebral aneurysms most commonly form at the base of the brain. 4  Around 1 in 4 aortic aneurysms occur in the thoracic area of the aorta. An aneurysm is the result of a weakness in the wall of a blood vessel. High blood pressure and smoking are some factors that may cause weakness in the wall of an artery, leading to aneurysms. Some brain aneurysms seem to occur in families, and there may be a genetic cause. Cerebral Aneurysms. An aneurysm is a small bubble that forms on the wall of an artery, a blood vessel that carries blood to the brain. The aneurysm has a thin wall, compared to the thicker wall of a normal brain artery. This thin walled bubble is prone to rupturing. A brain (cerebral) aneurysm is a bulging, weak area in the wall of an artery that supplies blood to the brain. In most cases, a brain aneurysm causes no symptoms and goes unnoticed. In rare cases, the brain aneurysm ruptures, releasing blood into the skull and causing a stroke. 1 The two main types of aneurysms are aortic aneurysms and cerebral aneurysms. 2  Aneurysms are most common in men and people over 65 years of age. 3  Symptoms depend on the size of the aneurysm, how fast it is growing and its location. 4  A large cerebral aneurysm can lead to numbness in the face or problems with the eyes. The following risk factors may increase your risk for an aneurysm or, if you already have an aneurysm, may increase your risk of it rupturing: 1  Family history. 2  People who have a family history of brain aneurysms are more likely to have an aneurysm than those who don't. Second, we can compute the growth rate from rupture rate easily. Growth of unruptured aneurysms is very difficult to study. Very few aneurysms grow, and they grow very slowly when they do grow. Therefore, our understanding of aneurysm growth often relies on a small number of cases [ 3 - 5 ].
http://www.medicalnewstoday.com/articles/156993.php http://www.medicalnewstoday.com/articles/156993.php http://www.ohsu.edu/xd/health/services/brain/getting-treatment/diagnosis/stroke/about/diagnosis/cerebral-aneurysms.cfm http://www.ohsu.edu/xd/health/services/brain/getting-treatment/diagnosis/stroke/about/diagnosis/cerebral-aneurysms.cfm http://www.webmd.com/brain/tc/brain-aneurysm-topic-overview http://www.medicalnewstoday.com/articles/156993.php http://www.webmd.com/brain/tc/brain-aneurysm-topic-overview http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2714849/
do brain aneurysms grow