Utility of preoperative magnetic resonance imaging myelography for identifying dural defects in patients with spinal extradural arachnoid cysts: Case report

被引：29

作者：

Miyamoto, Michiyuki ^{[1
]}

Kim, Kyongsong ^{[1
]}

Matsumoto, Ryoji ^{[1
]}

Isobe, Masanori ^{[1
]}

Isu, Toyohiko ^{[1
]}

机构：

[1] Kushiro Rousai Hosp, Dept Neurosurg, Kushiro, Japan

来源：

NEUROSURGERY | 2006年 / 59卷 / 04期

关键词：

arachnoid cyst; extradural; intraspinal; meningeal cyst; magnetic resonance imaging myelography; spinal; thoracolumbar;

D O I：

10.1227/01.NEU.0000232659.56174.28

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

OBJECTIVE: Preoperative magnetic resonance imaging (MRI) myelography scans demonstrated a dural defect in a 50-year-old man with an epidural arachnoid cyst who had a 29-year history of untreated weakness and numbness both lower limbs. METHODS: MRI scans showed a dorsal intraspinal extradural cystic lesion at the level from Th11 to L1. Although preoperative cine-MRI scans failed to display the dural defect, an MRI myelography scan showed cerebrospinal fluid in the subarachnoid space containing a cyst. RESULTS: The site of shunting between the subarachnoid space and the cyst was visualized as a pulsating flow void to the right of Th12. We removed the cyst wall and closed the dural defect via laminectomy. CONCLUSION: Because the preoperative MRI myelography scan correctly identified the existence and location of the dural defect, we conclude that MRI myelography is helpful for detecting dural defects in patients with epidural arachnoid cysts. Copyright © by the Congress of Neurological Surgeons.

引用

页码：941 / 941

页数：1

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