Fact Sheets

Vascular Malformations
Vascular malformations are rare with some types found in less than 1 percent of the population. If you have one, chances are it developed before you were born—many types of vascular malformations don’t cause symptoms until they are triggered by such events as adolescence, pregnancy, or some major surgery, trauma or injury.
Hereditary Hemorrhagic Telangiectasia (HHT)
A genetic disorder of blood vessels that affects people of all ages and backgrounds.
Vascular Malformation Imaging
Imaging procedures, including MRI and CT, can identify dangerous irregularities called vascular malformations in arteries, veins or lymph vessels.
Birthmarks
Many people are born with birthmarks. There are a variety of different types, including congenital hemangioma and vascular malformations.
Cerebral Venous Sinus Thrombosis (CVST)
CVST occurs when a blood clot forms in the cerebral venous sinus.
Brain Injury
A brain injury is a disruption in the function of the brain when an outside force makes it rock back and forth. Learn about symptoms and treatment.
Concussion
A concussion is a type of traumatic brain injury that leads to short-term impairment of mental function.
Hydrocephalus
Hydrocephalus is a condition in which fluid that helps cushion the brain and the spinal cord accumulates inside the skull, causing neurological problems.
Aortic Aneurysm
An aortic aneurysm is an abnormal bulging of the aorta, the largest artery in the body. Learn about symptoms and treatment.
Endovascular Brain Surgery
Endovascular neurosurgery is a minimally invasive procedure that is an alternative to traditional brain surgery. Learn more about this procedure.