Spontaneous Repeated Disappearance and Recurrence of Multiple Spinal Intradural Arachnoid Cysts in a Child.

Abstract

Spinal intradural arachnoid cysts are rare in the pediatric population. We present a rare case of intradural spinal arachnoid cysts that spontaneously and repeatedly disappeared and reoccurred. A 2-year-and-8-months-old boy presenting with lower extremity weakness was found to have spinal intradural arachnoid cysts in cervical and thoracolumbar regions at separate times. Although spontaneous disappearance of both lesions was observed, surgical treatment was finally performed for the symptomatic recurrent thoracolumbar lesion. To the best of our knowledge, this is the first report of spontaneously disappearing and recurring spinal arachnoid cysts.