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Doctor insights on: What Is The Difference Between Chiari Malformations I And Ii

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What is the difference between chiari malformations I and ii?

What is the difference between chiari malformations I and ii?

Extent of herniation: It is the downward displacement of the cerebellum, specifically a region called the "tonsils", through the foramen magnum. There are actually 4 types. Type one is only tonsillar herniation, that is mild; type ii shows more herniation, to include a middle portion of the cerebellum. This type is often associated with an myelomeningocele (herniation of lining of the brain). ...Read more

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What is the difference between type 1 and type 2 chiari malformations?

What is the difference between type 1 and type 2 chiari malformations?

Chiari malformations: Type i is associated with a portion of the cerebellum called the tonsils, downwardly displaced through the foramen magnum at the base of the skull. Most are asymptomatic. Type ii is usually associated with a failure of the spinal cord to close and is often associated with hydrocephalus. ...Read more

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What's the difference between chiari malformation and chiari syndrome?

What's the difference between chiari malformation and chiari syndrome?

Different: Arnold chiari malformation describes low lying cerebellar tonsils, and sometimes other posterior fossa abnormalities. Chiari syndrome can refer to the abnormality described above, or to budd chiari syndrome. Budd chiari syndrome has to do with clotting in the venous system of the liver and has nothing to do with arnold chiari malformation. ...Read more

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How do you tell the difference between multiple sclerosis and chiari malformation?

Simplest approach: An MRI of brain and upper cervical spinal cord will demonstrate the presence of a Chiari Malformation, and if MS, typical lesions will be present within the white matter in a classical distribution. ...Read more

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Have read that people with chiari 1 malformations can have cerebellar fits. What is the difference betw. A cerebellar fit & a tonic clonic seizure?

Have read that people with chiari 1 malformations can have cerebellar fits. What is the difference betw. A cerebellar fit & a tonic clonic seizure?

Some differences: Cerebellar fits"characterized by drop attacks with/without deterioration of consciousness, opisthotonic posturing(head and back arching backward), and varying degrees of respiratory compromise. Cerebellar fits may mimic other disorders such as cardiogenic syncope and epileptic seizures. Tonic/clonic (grand mal seizure) generalized seizure with muscle contractions and loss of consciousness. ...Read more

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What are imaging signs, symptoms of chiari malformations?

What are imaging signs, symptoms of chiari malformations?

Complex: The imaging part is straightforward - you see herniation of the cerebellar tonsils on an MRI scan. The symptoms can be more difficult to pinpoint - these include headaches, fatigue, muscle weakness in the head and face, difficulty swallowing, dizziness, nausea, impaired coordination, and, in severe cases, paralysis. ...Read more

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Why do chiari malformations need to be surgically corrected?

Why do chiari malformations need to be surgically corrected?

Many do not: The finding of a type one chiari malformation is often an incidental finding on MRI of no clinical significance. These do not need surgery. Surgery for the malformation is quite complex and must be considered very carefully. There are significant risks to the surgery that must outweigh the risks of not doing surgery. Second, third, and fourth opinions may be appropriate. ...Read more

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Why the symptoms of chiari malformations worse on some days, and better on others?

Why the symptoms of chiari malformations worse on some days, and better on others?

Depends on activity: If you are straining and lifting heavy amounts, you could have more headaches and numbness/tingling. Some people can have dizziness and passing out with exertion. Days in which there is no exertion may be associated with less headache and other symptoms. Some patients have constant symptoms because the cerebellar position does not change for them with position or activity. ...Read more

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What is the surgery for chiari malformations like?

What is the surgery for chiari malformations like?

Two types : There are two types- one for back and one for liver so please ask and let us know which one. ...Read more

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