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Doctor insights on: Chiari Malformation Type

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What is arnold chiari malformation type one?

What is arnold chiari malformation type one?

Mild malformation: AC type 1 involves low lying cerebellar tonsils. at the level of the foramen magnum. Usually asymptomatic and picked up as an incidental finding on work up for another condition. ...Read more

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Dr. James Goodrich
182 doctors shared insights

Chiari Malformation (Definition)

A structural abnormality in the brain in which the lower part of the brain (cerebellum) extends alongside the brainstem through the opening at the ...Read more


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What causes arnold chiari malformation?

What causes arnold chiari malformation?

No one knows: Chiari described malformations of the cerebellum. Arnold added the defects in the brain associated with spina bifida. This became known as chiari type 2 or arnold chiari. There is kinking of the medulla and fourth ventricle, obstruction of the outlet of the fourth ventricle, peaking of brainstem, fusion of thalamus, as well as hydrocephalus and incomplete closure of spinal cord. ...Read more

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Anyone operated on arnold chiari malformation?

Anyone operated on arnold chiari malformation?

Many times: Chiari type two is arnold chiari. It is associated with spina bifida, hydrocephalus, syrinx, and apnea. Aggressive surgical management is often necessary at birth and during early infancy. The anomaly can not be cured. Release of pressure is the only treatment. ...Read more

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What's the arnold chiari malformation?

What's the arnold chiari malformation?

Chiary II.: Chiari ii malformation (cm-ii), also known as arnold-chiari malformation, is a fetal condition characterized by downward displacement of the cerebellar vermis and tonsils, a brainstem malformation with beaked midbrain on neuroimaging, and a spinal myelomeningocele (open spina bifida). ...Read more

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Is arnold chiari malformation type one a neural tube defect?

No: The more accepted term is chiari malformation as arnold-chiari is an older term. This type of malformation is not a neural tube defect, but rather an abnormal migration of the cerebellar tonsils below the level of the foramen magnum (chiari type 1). This defect is attributed to a congenitally small posterior fossa, thus allowing the cerebellar tonsils to migrate downward. ...Read more

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Arnold chiari malformation, what constitutes a botched surgery?

Arnold chiari malformation, what constitutes a botched surgery?

Chiari surgery: Surgery for a chari malformation is rather straight forward - a "botched" surgery is rare, in some rare cases further surgery might be indicated if the symptoms are not resolved - this assumes there were no complications during the procedure. ...Read more

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What is an arnold chiari malformation?

What is an arnold chiari malformation?

Result of ONTD.: Chiari ii malformation (cm-ii), also known as arnold-chiari malformation, is a fetal condition characterized by downward displacement of the cerebellar vermis and tonsils, a brainstem malformation with beaked midbrain on neuroimaging, and a spinal myelomeningocele (open spina bifida). The spinal defect is the etiology of the chiari ii malformation of the cerebellum and brainstem. ...Read more

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What is chiari malformation?

What is chiari malformation?

Can be symptomatic: Chiari malformation type i is neurological disorder where cerebellum (or more specifically the cerebellar tonsils), descends out of the skull into the spinal area, resulting in compression of parts of brain and spinal cord, and disrupts normal flow of cerebrospinal fluid.Type ii involves extension of both cerebellar and brain stem tissue into the foramen magnum. Associated with myelomeningocele. ...Read more

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What is chiari malformation?

What is chiari malformation?

Low cerebellum.: The tip or bottom of the cerebellum, the posterior brain controlling coordination, may extend be too low, and lie behind the spper spinal cord where it can get pinched. Chiari is graded according to severity. Wickipedia has a good article on chiari malformation listing the grading. ...Read more

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What is chiari malformation type 1?

What is chiari malformation type 1?

A brain anamoly: A chiari 1 is a malformation where a small part of the brain (the cerebellar tonsils) descends into the spinal canal and compresses the spinal cord/brain stem. The early symptom are typically headaches. As time proceeds and in more severe descended chiari's, the symptoms can include numbness, weakness, unsteadiness, visual issues, nausea, etc. See physician for an exam and discussion of surgery. ...Read more

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Is chiara malformation hereditary?

Chiari malformation: Over the years there has been a good deal of discussion about heredity. There have been reported families with more than one family member having a chiari - in my own practice the pressence of multiple family members with chiari has been quite rare. ...Read more

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What is arnold chiari syndrome?

What is arnold chiari syndrome?

Malformation: Chiari described different defects of the cerebellum. Arnold added details of a very specific malformation (chiari type 2). Low lying tonsils with elongation of medulla, kinking of fourth ventricle with obstruction, and associated fusing of thalamus, hydrocephalus, peaking of quadrigeminal plate, etc. Associated with spinal bifida. Sorry you asked? ...Read more

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Chiari malformation type 1. Am i disabled?

Chiari malformation: Chiari malformation, unless complex rarely do not disable a person. They are surgically treatment depending on the symptoms and clinical findings. This is not an uncommon disorder treated by neurosurgeons and the results are very often quite good. ...Read more

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What is a type 2 chiari malformation?

Brain abnormality.: A type 2 chiari malformation is a brain abnormality a baby is born with, where the lower part of the brain bulges down through the hole in the base of the skull. Babies with this malformation may show symptoms like poor feeding, difficulty breathing, and weakness. It is almost always associated with spina bifida as well. ...Read more

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Is arnold chiari type 1 cured by surgery?

Is arnold chiari type 1 cured by surgery?

Depends on symptoms: Most patients with chiari i malformation have no symptoms, and don't need surgery. Findings that would require surgery include cranial nerve dysfunction, swallowing problems, arm or leg weakness, numbness, syrinx formation in the spinal cord. In this group of patients, surgery can help. You should be thoroughly evaluated by a neurosurgeon to see if you require treatment or just observation. ...Read more

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How is a chiari malformation diagnosed?

Check NIH: Check nih's "nationalinstitute of neurological disorders and stroke": http://www.Ninds.Nih.Gov/disorders/chiari/detail_chiari.Htm all the facts you need are there. ...Read more

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Can chiari malformation cause menieres diseaease?

No relationship.: No, arnold chiari malformation cannot cause meniere's disease. Meniere's disease is an inner ear disorder, whereas a chiari malformation is a brain condition. A chiari malformation occurs when the bottom of the brain (the brainstem) extends below the opening of the skull. ...Read more

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What is a chiari malformation?

What is a chiari malformation?

Basic answer: The cerebellum is the rearmost part of the brain structures as it transitions into the spinal cord holding all the nerve tracts. This part of the brain is supposed to stop at the base of the skull, but in some people part of the cerebellum is positioned below the skull, extending between the cord & the upper vertebrae. The Chiari malformation is a broad label covering this defect. ...Read more

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Hello docs, is chiari malformation genetic?

Hello docs, is chiari malformation genetic?

Not know for sure: Information on genetics being investigated.Duke University Medical Center is investigating the hereditary basis of Chiari type I malformations with or without syringomyelia The research is aimed at learning if caused by inheritance factors. ...Read more