“…Many institutions, such as ours, have favored initial cyst fenestration, usually into the basal cisterns. 4,7,8,11,13,14,16,21,23,25,28 Other centers have advocated the placement of CP shunts as a primary treatment for these cysts. 3,27 The clinical presentation of patients with arachnoid cysts, especially during the first few years of life, may offer considerable insight into the relationship between these lesions and underlying aberrancies in CSF flow.…”