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KMID : 1001920110490010058
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Journal of Korean Neurosurgical Society
2011 Volume.49 No. 1 p.58 ~ p.60
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Ligamentum Flavum Hematoma in the Adjacent Segment after a long Level Fusion
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Kim Hyeun-Sung
Kim Seok-Won
Lee Sung-Myung
Shin Ho
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Abstract
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Ligamentum flavum hematoma (LFH) is a very rare condition of dural compression; most are observed in the mobile cervical and lumbar spine regions. A 67-year-old man who had a long level interbody fusion at L3-S1 four years ago presented with symptoms suggestive of dural compression. Magnetic resonance imaging showed a posterior semicircular mass located at the adjacent L2-L3 level. After decompression of the spinal canal and removal of the mass lesion, pathological examination of the surgical specimen revealed a hematoma within the ligamentum. The patient fully recovered to normal status after surgery. Here, we report our experience with a LFH in the adjacent segment after a long level fusion procedure and discuss the possible associated mechanisms.
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KEYWORD
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Ligamentum flavum, Hematoma, Adjacent segment
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