I want to know what's the chiari malformation?

Chiari malformation. The most common chiari malformation is the type 1. There is a situation where two "tongues" of tissues called the cerebellar tonsils leave their normal anatomical position and herniated down through a hole at the base of the skull called the foramen magnum and can lead to compression of the brain stem.

Related Questions

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...

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...

What is a chiari malformation?

It is. Chiari described different types of developmental defects of the cerebellum. Type 2 is associated with spina bifida, type 3 and type 4 are severe defects. You are probably talking about type 2 associated with spina bifida. It can cause breathing and swallowing problems. Treatment with surgery is controversial. Read more...
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...

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...

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...
Structural defects. Chiari 2 is a condition where the cerebellum and brainstem descend into the spinal canal, and is usually associated with a form of spina bifida called myelomeningocele, where the spinal cord is exposed at birth. Treatment typically involves surgery. Read more...

How do you treat chiari malformation?

Surgery or nothing. These are treated with surgery on the base of the skull and sometimes the dura covering the brain and/or the upper cervical vertebrae. Each surgery is tailored to the individual depending on their symptoms and severity of the chiari malformation. The alternative for many chiari malformations is no surgery and no treatment. Many people require no intervention at all. Read more...
Don't. The most common chiari malformations are type 1, which are incidental findings on a ct or MRI during the workup for a headache. In these the cerebellar tonsils at the base of the brain lie low and slip through the hole at the base of the skull. Symptoms can include headache, numbness or ataxia (unsteadiness). Most chiari 1s do not need to be treated. Headaches should be treated symptomatically. Read more...

What's the arnold chiari malformation?

Small back of skull. Chiari malformations develop due to a decreased size in the back of the skull. Because there is not enough space for the brain to develop, a part of the brain called the cerebellar tonsils get pushed through through the hole where the spinal cord attaches to the brain. This results in increased pressure and development of "cysts" in the spinal cord. Chiari ii has additional brain&cord changes. Read more...
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...

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...

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...
Head MRI. Head MRI will most clearly show the chiari. A cervical spine MRI can also show the chiari and any associated fluid collection in the spinal cord. Read more...