Doctor insights on:
What Is The Difference Between Type 1 And Type 2 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
I have an chiari malformation type 1. What symptoms would I have if I am not circulating enough csf? I have a MRI in two weeks to see.
Shoulder area numb: The lack of CSF flow around the chiari area is thought to raise the risk for a fluid collection inside the cervical spine called a syrinx. This can cause arm/hand symptoms with some numbness in a shawl pattern across the shoulder area. An MRI through your cervical spine should show this fluid collection if it is there. It can be followed after the chiari is decompressed usually resolving by itself. ...Read moreSee 1 more doctor answer
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 moreSee 1 more doctor answer
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
Arnold Chiari: It is a term used by radiologists to denote herniation of the brain through the foramen magnum at bottom of skull. ...Read more
Probably not: Technically, most chiari I malformations occur during fetal development. Many people who have a mild chiari I malformation may never have any symptoms or symptoms may develop later in life, but the actual malformation was probably already there. In some unusual cases (e.g., over-drainage of spinal fluid) a type of acquired chiari malformation can develop, but this is less common. ...Read moreSee 1 more doctor answer
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
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 moreSee 1 more doctor answer
Sometimes surgery: Chiari malformation type I 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 disruptsl flow of cerebrospinal fluid sxs include. Dizziness, muscle weakness, numbness, vision problems, headaches, problems of balance/ coordination. If severe maybe surgery ...Read more
Sometimes surgery: Chiari malformation type I 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 disruptsl flow of cerebrospinal fluid sxs include. Dizziness, muscle weakness, numbness, vision problems, headaches, problems of balance/ coordination. If severe maybe surgery. ...Read more
Surgery: Surgery is definitely an option but I would see someone who specializes in this and would make sure that your symptoms are of the sort that would improve. I would also get an MRI flow study that proves that there is abnormal flow through the foramen magnum. ...Read moreSee 1 more doctor answer
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
No: Chiari malformation is associated with many conditions, some of which have abnormal chromosomes that would show up by amniocentesis. The malformation itself can be seen by fetal ultrasound but not usually at 16-18 weeks when visualization of fetal anomalies might prompt recommendation for amniocentesis. ...Read moreSee 2 more doctor answers
Common Safe: Type I involves the extension of the cerebellar tonsils (the lower part of the cerebellum) into the foramen magnum, without involving the brain stem. Type I may not cause symptoms, & is the most common form of cm & is usually first noticed in adolescence or adulthood, often by accident during an examination for another condition. See http://www. Ninds. Nih. Gov/disorders/chiari/detail_chiari. Htm. ...Read moreSee 1 more doctor answer
Depends.: Chiari ii malformation (cm-ii), also known as arnold-chiari malformation, is characterized by downward displacement of the cerebellar vermis and tonsils, a brainstem malformation with beaked midbrain on neuroimaging, and a spinal myelomeningocele. The prognosis depends on syndromic or not nature of the defect and quality of surgical repair. Meningitis is detrimental. Shorter life-span anticipated. ...Read more
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