Fact Sheets

Vascular Malformations
Vascular malformations are irregularities in arteries, veins, or lymph vessels throughout the body. Learn about symptoms and treatment.
Vascular Abnormalities
Vascular abnormalities, such as aneurysms, arteriovenous malformations and cavernous malformation, occur when a blood vessel in the brain ruptures.
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.
Nosebleeds (Epistaxis)
A nosebleed is a condition that occurs when a blood vessel inside the nose bursts. Learn about symptoms and treatment.
Cerebral Venous Sinus Thrombosis (CVST)
CVST occurs when a blood clot forms in the cerebral venous sinus.
Infantile Hemangioma
Infantile hemangioma, a type of red birthmark formed of extra blood vessels in the skin, is common and found in five to 10 percent of babies.
Pulmonary Embolism
A pulmonary embolism (PE) is a life-threatening condition of blocked arteries in the lungs. Learn about symptoms and treatment.
Pulmonary Hypertension
Pulmonary hypertension is a condition involving inflammation and constriction of the pulmonary arteries. Learn about symptoms and treatment.
Hydrocephalus
Hydrocephalus is a condition that causes excess fluid to build up in and around the brain. Learn about symptoms and treatment.