Disease Description: Arnold-Chiari malformation is a rare inherited disorder in which the lowest part of the brain extends below the base of the skull and into the spinal canal. Many people with the disease do not have symptoms and do not know they have the condition.Others have more severe forms of the disease and can become paralyzed.isease Description: Arnold-Chiari malformation is a rare inherited disorder in which the lowest part of the brain extends below the base of the skull and into the spinal canal. Many people with the disease do not have symptoms and do not know they have the condition.
Headaches Quiz If you're plagued with headaches, our Headaches Quiz may help you identify causes, triggers, symptoms, and treatments for headache pain caused by different types of headaches such as migraines, sinus, cluster, tension, or stress.
Secondary headache. The aforementioned are the most common forms of headache, known as primary headaches. Secondary headaches are a symptom of another condition, for example, if you have influenza, one of the symptoms will often be a headache; if your sinuses are blocked, this can result in a headache etc.