What sort of disease is a chiari malformation?

Structural. That is a structural defect at the base of the brain / brainstem. It may be related to other problems such as spina bifida.

Related Questions

How well informed on chiari malformation is the average neurosurgeon? Should this disease be treated by "specialist".

Most comfortable. All neurosurgeons should be trained in managing chiari malformations after completing residency. (i am assuming chiari i.) some just do more cases than others, but anyone who does cranial surgery should feel comfortable with it. I would say it is a pretty run-of-the-mill and straightforward problem in general. Read more...

What sort of problem is an arnold-chiari malformation?

Brain malformation. Briana, a chiari malformation is a downward congenital (from birth) displacement of the lowermost part of the a part of the brain (the cerebellum) through the opening in the base of the skull. Several types with no symptoms to multiple symptoms such as neck pain, headaches, dizziness, loss of balance, numbness of limbs. May be associated with other structural changes in the spinal cord or brain. Read more...
Aquired also. Not all chiari type 1 is present at birth. This can be an aquired condition with some association with repeated lumbar puncture or spinal tap as well as lumbar peritoneal shunts. Generally the cerebellar tonsils rise above the foramen magnum over time as we age. Some skull bony abnormalities may make the compartment where the cerebellum sits smaller than normal and these can be present from birth. Read more...

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...