Other ataxias. Ataxia-telangiectasia (A-T) is a childhood disease characterized by ataxia, extrapyramidal dysfunction, peripheral neuropathy and other neurologic deficits, vascular dilatation, and immunodeficiency.It is caused by mutations of a gene that regulates the cell cycle.riedreich's ataxia (FRDA)-an autosomal recessive ataxia caused by GAA repeats on the frataxin gene. Spinocerebellar ataxias(SCA)-a group of autosomal dominant ataxias (25 entities at last count), caused by CAG repeats on multiple chromosomal loci.
Brain aneurysm - Symptoms. Symptoms of a brain aneurysm. A brain aneurysm rarely causes any symptoms unless it bursts (ruptures). Unruptured brain aneurysms occasionally cause symptoms if they're particularly large or press against tissues or nerves inside the brain. Symptoms of an unruptured brain aneurysm can include: 1  visual disturbances â such as loss of vision or double vision. 2  pain above or around your eye.  numbness or weakness on one side of your face.
Aneurysms usually do not cause any symptoms until they become very large or rupture. Aneurysms in the abdominal aorta are often found coincidentally when the individual undergoes a medical test or procedure for some other reason. Chest pain and back pain are the two most common symptoms of large aneurysms. 1  Almost any unusual sensation or feeling in the upper chest or back, however, may be due to an aneurysm of the aorta. 2  Chest pain is usually the first sign of aortic dissection.