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What Is Chiari 1 Malformation
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
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
Chiari malformation: A 5mm herniation in a chiari is borderline from a radiological point of view, what is more important is are you have symptoms from the chiari that would it more likely you would need surgery. A consultation with a neurosurgeon would likely be the best option if you want to find out more. ...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
I have chiari malformation and one of my pupils is slightly larger than the other. Is that a typical symptom?
Can chiari malformation cause swelling to one side of face and tung and sholder im haveing pain on my left side of my face and tung and my left sholder is to
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
I have an arachnoid cyst and a chiari 1 malformation. How will a neurosurgeon know which one is causing my tinitus, dizziness, and nausea?
Cyst Location: Unless the arachnoid cyst is in the area called your posterior fossa , the back of your skull area, the dizziness would more likely be related to a chiari. The tinnitus should be assessed by ENT with hearing test. The nausea if it is exertional may be a sign of vertigo or due to the chiari if associated with a headache. I agree you need some workup to tease things out. ...Read moreSee 1 more doctor answer
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