Arnold Chiari Malformation Acm Surgery
Arnold-Chiari (kee-AR-ee) malformation (ACM) is a rare condition of the brain. It is present at birth. With ACM, the back part of the brain (cerebellum) pushes through the opening in the back of the skull. When this part of the brain bulges into the spinal canal, it can block the flow of cerebral spinal fluid (CSF) to and from the brain (Picture 1). The exact cause of ACM is not known....