Welcome to the ACA Network website. This is a social network for anyone with an arachnoid cyst, hydrocephalus, syringomyelia, Dandy Walker Syndrome, Chiari Malformation or any other neurological disease or ailment. It is open to all those who are dealing with these diseases and their loved ones. This is a place for people to come and meet new friends. We hope to have a great atmosphere here with friendly users. ACA Network is an extension of the Arachnoid Cyst Awareness Website: http://arachnoidcystawareness.com .