Endoscopic Treatment of a Suprasellar Arachnoid Cyst Causing Precocious Puberty

Suprasellar arachnoid cysts are uncommon developmental anomalies that are most often diagnosed in childhood. They constitute approximately 9% of all arachnoid cysts. These cysts require special consideration because of the unique location where they more commonly become symptomatic. Precocious puberty is rarely the presenting sign of suprasellar arachnoid cyst. A rare case of suprasellar arachnoid cyst presenting with precocious puberty is reported. Treatment was via endoscopic ventriculocystocisternostomy. The case is described and the advantages of endoscopic treatment of suprasellar arachnoid cyst is emphasized.