Vascular malformations of the brain
Vascular malformations of the brain are a diverse group of blood vessel disorders that occur in the brain. These malformations can disrupt the normal flow of blood in and around the brain, leading to a range of symptoms and potentially serious health outcomes. The main types of vascular malformations include Cavernous Malformations, Arteriovenous Malformations (AVMs), Capillary Telangiectasias, and Venous Malformations.
Types of Vascular Malformations[edit | edit source]
Cavernous Malformations[edit | edit source]
Cavernous Malformations are clusters of abnormal, dilated blood vessels. These malformations can cause seizures, headaches, and in some cases, hemorrhagic stroke if they bleed.
Arteriovenous Malformations (AVMs)[edit | edit source]
Arteriovenous Malformations (AVMs) are tangles of abnormal arteries and veins that bypass the capillary system, leading to potential bleeding, seizures, or stroke.
Capillary Telangiectasias[edit | edit source]
Capillary Telangiectasias are small, dilated capillaries that usually do not cause symptoms but can be found incidentally on imaging studies for other reasons.
Venous Malformations[edit | edit source]
Venous Malformations consist of abnormally thickened veins that can lead to headaches, seizures, or other neurological symptoms depending on their location in the brain.
Diagnosis[edit | edit source]
Diagnosis of vascular malformations of the brain typically involves imaging studies such as Magnetic Resonance Imaging (MRI) or Computed Tomography (CT) Scan. In some cases, a more detailed imaging study called a Digital Subtraction Angiography (DSA) may be used to map the blood flow in the brain.
Treatment[edit | edit source]
Treatment options for vascular malformations of the brain vary depending on the type of malformation, its location, and the symptoms it causes. Options may include medical management for symptoms, surgical removal, Stereotactic Radiosurgery, or endovascular therapy.
Prognosis[edit | edit source]
The prognosis for individuals with vascular malformations of the brain depends on the type of malformation and its location. While some malformations may remain asymptomatic, others can lead to significant neurological damage if not properly managed.
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