The blockage most often occurs in the vertebral artery or PICA, a branch of the vertebral artery that supplies the lateral medullary region. Your queries:-wallenberg syndromelateral medullary syndromelateral medullary syndrome of wallenbergwallenbergs syndromehorners syndrome,pica syndrome walle. Wallenberg syndrome PICA syndrome lateral medullary infarction. Wallenberg Syndrome Wallenberg syndrome is also known as lateral medullary syndrome and posterior inferior cerebellar artery (PICA) syndrome Resulting. Lateral medullary syndrome, also known as Wallenberg syndrome or PICA syndrome, is a constellation of neurological symptoms that occurs due to ischemia in the lateral part of the medulla.NIH GARD Information: Wallenberg syndrome.You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. ![]() fibromuscular dysplasia, a condition that affects the artery walls.Ehler-Danlos syndrome, a group of genetic disorders that affect the body’s connective tissues.Marfan syndrome, a genetic condition that affects connective tissues.Other potential risk factors may include:Īdditionally, a vertebral artery dissection, or a flap-like tear of the inner lining of the vertebral artery, can result in a stroke that may lead to Wallenberg syndrome. The involvement of these arteries and parts of the brain is where many of the other names for the condition originate.Įvidence notes that hypertension is the most common risk factor for Wallenberg syndrome. An insufficient blood supply can damage the lateral part of the medulla oblongata, resulting in the symptoms of Wallenberg syndrome. ![]() The brainstem is a lower extension of the brain and is responsible for many important functions, such as eye movement, balance, and swallowing. ![]() This area of the brain includes the different parts of the brain stem, most notably the medulla oblongata. This results in insufficient blood reaching the posterior, or back, portion of the brain. Specifically, a blockage occurs in the vertebrobasilar system, most commonly in the posterior inferior cerebellar artery, or the vertebral artery. Lateral medullary syndrome (LMS) was first described by Gaspard Vieussux in 1808 and the first clinical description of this syndrome was given by Wallenberg in 1895. When oxygenated blood does not reach part of the brain due to a blockage, that part of the brain may become damaged or die. Wallenberg syndrome occurs due to an ischemic stroke occurring in one of the arteries that supply blood to the back portion of the brain.
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