A cerebral aneurysm is a bulge in a weak area of the wall of a brain artery. Learn about this condition, including cause, risk factors, symptoms, diagnosis, and treatment.

Ataxia means without coordination. People with ataxia lose muscle control in their arms and legs, which may lead to a lack of balance, coordination, and trouble walking. Ataxia may affect the fingers, hands, arms, legs, body, speech, and even eye movements.

Learn about the 3 types of radiosurgery. This treatment uses focused beams of radiation to treat cancer tissues without making a surgical cut (incision). It's called surgery because it creates a result similar to an actual surgical procedure.

Detailed information on the genetics of ovarian cancer, including hereditary breast ovarian cancer syndrome, Peutz-Jeghers syndrome, ovarian cancer and hereditary nonpolyposis colon cancer, and basal cell nevus syndrome (Gorlin syndrome)

The risk for certain cancers is increased with basal cell nevus syndrome, a rare genetic disorder. Learn more about how this mutation forms.

The West Nile virus is spread by mosquitoes. The West Nile virus can infect humans, birds, mosquitoes, horses, and some other mammals. West Nile virus is spread to humans through the bite of an infected female mosquito.

Renal vascular disease affects the blood flow into and out of the kidneys. It may cause kidney damage, kidney failure, and high blood pressure.

Detailed information on vascular conditions and diseases

Detailed information on vascular conditions, including a description of the vascular system, causes and effects of vascular disease, and a full-color anatomical illustration.

Detailed information on the medical management of vascular conditions. Includes a description of the vascular system, risk factors for vascular conditions, causes of vascular conditions, and medical management of risk factors.