Arteriovenous Malformation
Arteriovenous Malformation
Arteriovenous Malformation (pronunciation: ar-teer-e-o-ve-nous mal-for-may-shun) is a medical condition that involves an abnormal connection between the arteries and veins in the body, bypassing the capillary system.
Etymology
The term "Arteriovenous Malformation" is derived from the Latin words "arteria" meaning artery, "vena" meaning vein, and "malformatio" meaning misshaping or malformation.
Definition
An Arteriovenous Malformation (AVM) is a vascular anomaly where the arterial and venous systems are directly connected without a capillary bed, leading to high-flow lesions. This can occur in any part of the body but is most commonly found in the brain or spine.
Symptoms
Symptoms of an Arteriovenous Malformation can vary greatly depending on the location and size of the malformation. They may include headaches, seizures, and various neurological symptoms such as muscle weakness or paralysis.
Diagnosis
Diagnosis of an Arteriovenous Malformation typically involves imaging tests such as a CT scan, MRI, or angiogram.
Treatment
Treatment options for Arteriovenous Malformation may include observation, medical management, surgery, radiosurgery, or endovascular embolization.
Related Terms
External links
- Medical encyclopedia article on Arteriovenous Malformation
- Wikipedia's article - Arteriovenous Malformation
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