Cerebral arteriovenous malformation (AVM) is an abnormal connection between arteries and veins in the brain, which can cause bleeding and damage to brain cells. Symptoms include headaches, seizures, weakness, and numbness. Treatment options include surgery and radiation therapy. Immediate medical attention is essential.
A cerebral arteriovenous malformation, or AVM, is a medical term used to describe the presence of an abnormal connection between arteries and veins within the brain. This condition is usually congenital, meaning it is present from birth, although on rare occasions an AVM can develop later in life. The exact cause of the development of a cerebral arteriovenous malformation is not clearly understood. Headaches, seizures, or progressive weakness are among the possible symptoms, although many people with the condition do not experience any negative symptoms. Any questions or concerns about a cerebral arteriovenous malformation or the most appropriate treatment options for an individual situation should be discussed with a physician or other medical professional.
The main concern when a cerebral arteriovenous malformation is present is the risk of bleeding. A bleeding in the brain due to an AVM can cause a significant amount of damage if not diagnosed and treated promptly. This is especially dangerous because brain cells are unable to regenerate themselves like other cells in the body are able to. Depending on the location of the AVM, bleeding in the brain or partial or complete paralysis can occur if the malformation is not treated.
Some of the potential symptoms of a cerebral arteriovenous malformation may include persistent headaches or the development of a seizure disorder. In some cases, the patient may notice weakness or numbness in various parts of the body. The weakness and numbness are often progressive, meaning it gets worse over time. This may indicate damage to some brain cells or the development of a brain hemorrhage. These symptoms should be taken seriously and a doctor should be consulted immediately for further medical evaluation.
In many cases, a brain hemorrhage caused by a cerebral arteriovenous malformation can closely mimic the symptoms of a stroke. Since both conditions can be potentially devastating, immediate medical attention is essential. Your doctor will likely order a series of diagnostic tests to confirm the diagnosis. Treatment varies according to the individual situation and may include radiation therapy or surgery. Although surgery is the most commonly used form of treatment for a cerebral arteriovenous malformation, an AVM that is located in deeper areas of the brain may not be able to be removed this way due to the increased risks of brain damage occurring as a result of the procedure.
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