神経内視鏡治療を行ったくも膜囊胞と思われた側脳室囊胞性病変の1例

A Case of the Lateral Ventricle Lesion Mimicking Arachnoid Cyst Treated by Neuroendoscopic Surgery

Ⅰ．はじめに

　頭蓋内くも膜囊胞は，脳槽あるいはくも膜下腔と解剖学的関係をもって発生する良性囊胞性疾患であるが，稀に脳室内に発生することがある¹³⁾．

　本論文では，神経内視鏡を用いて治療し得た側脳室くも膜囊胞について，文献的考察とともに報告する．

A 12-year-old female suffered from intermittent headache with nausea. Neuroradiologic studies demonstrated a cystic lesion in the right trigone with content like cerebrospinal fluid. The right inferior horn was isolated and increased in size. Eodoscopic fenestration was attempted using a flexible fiberscope via the inferior horn. Postoperative magnetic resonance image revealed shrinkage of the cyst and reduced size of the right inferior horn. Intermittent headache dissapeared. Neuroendoscopic treatment is a less invasive and effective therapy for intraventricular arachnoid cyst as well that in the other intracranial lesion.