1. Types of arachnoid cysts
3. treatment of arachnoid cysts
Arachnoid cyst is a benign CSF formation in the central nervous system,which is located in the department of intracranial brain or in the spinal canal.A cyst occurs between the brain surface and the arachnoid, which gave the name of the ailment, as translated from the Greek "Arachne" means "spider".Arachnoid cysts are cerebrospinal fluid were first described in 1831, but are still not studied until the end.It's one of the few cysts that arise from time to time (sporadically), and it accounts for 1% of all intracranial tumors.
arachnoid cysts are divided into primary and secondary, or true or purchased.The reason for the formation of primary arachnoid cysts are cerebrospinal fluid is an anomaly of the meninges of the fetus as a result of medications, radiation, toxins and other negative factors.Secondary or acquired arachnoid cysts develop on the background of diseases such as
should be distinguished from the arachnoid cyst retrotserebellyarnoy.And he and the other type is a benign, apparently looking like a bubble filled with liquid.But if we compare the arachnoid cyst and retrotserebellyarnuyu, the first formed by liquor (cerebrospinal fluid).The second is the formation at the site of dead areas of gray matter.Unlike the arachnoid, retrotserebellyarnaya cyst arises as a result of stroke, cerebrovascular insufficiency, encephalitis.Both kind of cysts may be asymptomatic, but Arachnoid not always require treatment and medical care retrotserebralnaya absence could lead to further destruction of the brain.Finally, the main difference between arachnoid cyst and retrotserebralnoy - the first is located on the surface of the brain between the shells, and the second - in the interior of the brain substance.
On histological point of view of arachnoid cysts are cerebrospinal fluid are divided into simple and complex.Simple lined with cells capable of active likvoproduktsii.Cysts with a complex structure of the wall may contain glia, ependymoma and other tissues.
arachnoid cysts are usually asymptomatic and are discovered by chance during a general survey or the first symptoms of education before the age of 20 years.The nature and severity of the symptoms depends on the size and location of arachnoid cysts.
most often to the effects of the arachnoid cyst include headaches, vomiting and nausea, sometimes they are joined by hallucinations, seizures, and mental disorders.Patients may experience neurological symptoms such as a paresis (weakening of voluntary movements) and ataxia (incoordination).External signs of arachnoid cysts resemble a concussion of the brain, and if good-quality education is located in the spinal department, its symptoms resemble herniated spinal discs.
Since the effects of arachnoid cysts is quite specific, the doctor must perform a series of studies that allow you to put the differential diagnosis.These include magnetic resonance imaging, Doppler blood vessels of the head and neck, heart studies, blood clotting and cholesterol, blood pressure monitoring and blood tests for infections and autoimmune diseases of the nervous system.
In the early treatment of arachnoid cysts is being questioned.The neoplasm is asymptomatic, in the third case, causing a slight delay psychomotor development.However, there are many cases of postnatal regression arachnoid cysts without consequences - benign growths disappear by themselves between 5 and 10 months of life.According to some resolution of arachnoid cysts are formed during fetal development, disappear until birth.Therefore, the medicine is no exact answer to the question of whether to treat primary arachnoid cysts are cerebrospinal fluid.
What sways secondary cysts formed on the background of the underlying disease, they may be missed first trimester or progressive character.Stilled without consequences arachnoid cysts do not pose a risk for brain activity and do not require treatment.All that is needed - to identify and eliminate the causes of cyst formation, as well as to prevent the risk factors that contribute to the formation of new cysts.Progression of arachnoid cysts liquor requires comprehensive measures, including surgical removal.There are several ways to treat arachnoid cysts - these include drainage of cysts by needle aspiration, excision of cysts using endoscopic and laser techniques, as well as bypass surgery or drainage of cysts in the subdural space or peritoneal cavity.
This article is available exclusively in the educational purposes and is not research material or professional medical advice.
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