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Neurological Surgery No Shinkei Geka Volume 19, Issue 9 （September 1991）

Neurological Surgery 脳神経外科 19巻9号（1991年9月発行）

Japanese English

症例

移動性馬尾神経鞘腫の1例 Mobile Neurinoma of the Cauda Equina;A case report 佐藤透 ^1,3 , 景山敏明 ¹ , 鎌田一郎 ² , 伊達勲 ² Toru SATOH ^1,3 , Toshiaki KAGEYAMA ¹ , Ichiro KAMATA ² , Isao DATE ² ¹福山市市民病院脳神経外科 ²岡山大学脳神経外科 ³佐藤脳神経外科 ¹Department of Neurological Surgery, Fukuyama Municipal Shimin Hospital ²Department of Neurological Surgery, Okayama University Medical School キーワード： Spinal tumor , Mobile tumor , Neurinoma , Cauda equina , Myelography Keyword: Spinal tumor , Mobile tumor , Neurinoma , Cauda equina , Myelography pp.891-896

発行日 1991年9月10日 Published Date 1991/9/10

DOI https://doi.org/10.11477/mf.1436900328

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Abstract 文献概要
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I．はじめに

　馬尾神経鞘腫は，馬尾神経部に発生する腫瘍の中で最も頻度の高い腫瘍であるが^9），まれに頭尾側へ高度の移動性を示す症例が報告される^{1-3,5-8,10,12-14）}．最近われわれは，移動性馬尾神経鞘腫の1例を経験したので，特に腫瘍の移動性要因につき若干の文献的考察を加えて報告する．

Abstract

A case of mobile tumor of the cauda equina was pre-sented with a brief review of factors relating to the mobility.

A 66-year-old man was admitted to our hospital com-plaining of left lumbago aggravated by coughing or assuming the supine position. However, neurological examination failed to reveal any abnormalities. The ini-tial myelography showed complete obstruction above the superior border of the L1 vertebra, while thesecond myelography showed the same obstruction, but it had moved upwards to the superior border of T12.Surgery revealed an elastic, soft tumor and cystic dilatation of the subarachnoid space above and below the tumor. The tumor was mobile but originated from a single elongated and tortuous nerve of the cauda equina. Pathologic examination revealed neurinoma.