[23] Normal 86.4 Asymptomatic brain infarction 7.2 Cerebral aneurysm 1.8 Benign primary tumor 1.6 Arachnoid cyst 1.1 Type 1 Chiari malformation 0.9 Other significant findings 1.0 Data taken from [24].

A rare case of bilateral arachnoid cysts of the middle cranial fossa in a child successfully treated by partial excision of their walls is reported. Patients with bilateral arachnoid cysts are ...