Congenital intracranial cysts: clinical findings, diagnosis, treatment and follow-up. A multicenter, retrospective long-term evaluation of 72 children.

A multicenter, retrospective evaluation of 72 children born between 1973 and 1987 with intracranial cysts was performed: 37 had an arachnoid cyst, 25 a Dandy-Walker malformation and 10 a porencephalic cyst. The following criteria were evaluated: history, clinical findings, diagnostic work-up (neuroradiology, CSF and intracystic pressures), surgical therapy and follow-up (outcome and cyst volumes).