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KMID : 1143720200160020360
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Korean Journal of Neurotrauma
2020 Volume.16 No. 2 p.360 ~ p.366
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How to Find Dural Defect of Spinal Extradural Arachnoid Cyst
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Lee Seok-Won
Choi Seung-Won
Lim Jeong-Wook
Youm Jin-Young
Kwon Hyon-Jo
Koh Hyeon-Song
Kim Seon-Hwan
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Abstract
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Spinal extradural arachnoid cysts (SEACs) are rare and usually asymptomatic, and they usually do not require surgical treatment. If symptoms manifest, however, surgical treatment is required. A 25-year-old male patient complained of impotence upon admission. Magnetic resonance images (MRIs) of his lumbar spine showed a SEAC located longitudinally from the T11 to L3, which was accompanied by thecal sac compression. Verifying the location of the dural defect is crucial for minimizing surgical treatments. Cystography, myelography, and lumbar spine MRI were conducted to locate the leak in real-time; however, it was not found. Hence, the location of the cerebrospinal fluid leak was estimated based on cystography, computed tomography, myelography, and MRI findings. We suggest that the region with the earliest contrast-filling, as well as the middle and widest area of the cyst, may correspond to the location of the dural defect.
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KEYWORD
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Arachnoid cysts, Spine, Cerebrospinal fluid leak, Minimally invasive surgery
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