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What Is Arnold Chiari Malformation
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 moreSee 1 more doctor answer
No one knows: Chiari described malformations of the cerebellum. Arnold added the defects in the brain associated with spina bifida. This became known as chiari type 2 or arnold chiari. There is kinking of the medulla and fourth ventricle, obstruction of the outlet of the fourth ventricle, peaking of brainstem, fusion of thalamus, as well as hydrocephalus and incomplete closure of spinal cord. ...Read more
Chiari malformation: A chiari malformation (the arnold is no longer used) occurs a part of the lower brain herniates through a hole at the base of the skull called the foramen magnum. Symptoms that can occur with this are severe headaches, particularly at the base of the skull. Neck pain is often associated with it. ...Read more
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
Head/ Cervical MRI: Chiari malformation is best diagnosed with a head MRI without contrast to assess for the abnormal tonsil position and determine whether hydrocephalus, or water on the brain, is present also. A cervical MRI without contrast can assess for a problem called a syrinx, or a fluid cavity in the center of the spinal cord. A lumbar MRI without contrast can also exclude a tethered cord causing numb legs. ...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
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