Illness Chiari Malformation A rare congenital condition in which the brain tissue extends into the spinal canal that causes severe headache and neck pain.Causes: Chiari malformation results from a structural defect at the back of the head in the region where the brain meets the spinal cord.Symptoms: Severe headaches and neck pain, associated with other nerve related symptoms such as changes in balance, vision, and speech may be noted.Diagnosis: Apart from the patient’s medical history and physical examination, imaging tests are recommended by the doctor to confirm Chiari malformation.RESOURCESThe Chiari ProjectMayo Clinic – Chiari