I have been having health problems since 1984 after being diagnosised with hydrocephalus. I subsequently was diagnosied in 1991 with Arnold Chiari Malformation. My symptomps include the following: severe headches,pain in upper cervical spine, pain in both upper extremeties,difficulty swallowing, roaring in left ear with loss of hearing. If there is someone out there who has had similar ssmtomp and has had decompression surgery,Please e-mail. I have decided to have surgey and want to know if it has helped you.