Arachnoid cysts of the middle cranial fossa: surgical considerations.

Three cases of arachnoid cysts of the middle cranial fossa are presented. CT imaging before and after peritoneal shunting of these cysts demonstrates the therapeutic value of this cerebrospinal fluid diversionary procedure. Many important facets of this disease such as cyst genesis, histology, natural history and other forms of therapy as reported by various authors in the recent literature are discussed.