乳幼児側脳室内髄膜腫—1症例の報告

The Meningioma within The Lateral Ventricle in Infancy: A case report

I．はじめに

　小児の髄膜腫は成人に比べて比較的稀な腫瘍であり，その頻度は15歳未満の小児脳腫瘍中，0.4％から2.2％である．今回われわれは，極めて稀な23カ月男児の側脳室内髄膜腫を経験し，手術により全摘出したので本症例を紹介するとともに，若干の文献的考察を試みた．

Meningiomas within the lateral ventricle in infancy are extremely rare. The authors report such a case be-cause of its rarity.

The presented case is a 23-month-old boy, who had gait disturbance as an initial symptom. At the begin-ning of May, 1985, his mother found his limping, there-fore he admitted to our hospital on May 23. On his admission, clinical features were the left mild hemi-paresis, the hyperreflexia of left extrimities, and the papilloedema on the both sides. A CT scan revealed a homogeneously enhanced mass at the right trigon.