INTERFACE BETWEEN THE MENINGIOMA AND THE BRAIN ON MAGNETIC-RESONANCE-IMAGING

被引：26

作者：

NAKASU, S ^{[1
]}

NAKASU, Y ^{[1
]}

MATSUMURA, K ^{[1
]}

MATSUDA, M ^{[1
]}

HANDA, J ^{[1
]}

机构：

[1] SHIGA UNIV MED SCI,DEPT NEUROSURG,OTSU,SHIGA 52021,JAPAN

来源：

SURGICAL NEUROLOGY | 1990年 / 33卷 / 02期

关键词：

Brain-tumor interface; Computed tomography; Invasion; Magnetic resonance imaging; Meningioma;

D O I：

10.1016/0090-3019(90)90019-L

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

Magnetic resonance imaging of 31 meningiomas in 29 patients was retrospectively reviewed and compared with pathologic specimens in 25 tumors to investigate how magnetic resonance imaging could delineate a tumor-brain interface. The thick, collagenous connective tissue, which was seen around four tumors, was shown as a low signal intensity rim on both a T1-weighted image and a T2-weighted image. A rim of low signal intensity on a Tl-weighted image and high signal intensity on a T2-weighted image most likely represented cerebrospinal fluid space: this finding was seen around eight tumors. No distinct rim could be identified in five tumors. Of these five, two tumors grew invasively into the brain. Although mixed features predominated in meningiomas, magnetic resonance imaging could well delineate a tumor-brain relationship in most of the cases. © 1990.

引用

页码：105 / 116

页数：12

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