Ligamentum Flavum Hematoma in the Adjacent Segment after a long Level Fusion. |
Hyeun Sung Kim, Seok Won Kim, Sung Myung Lee, Ho Shin |
1Department of Neurosurgery, Heori Sarang Hospital, Daejeon, Korea. 2Department of Neurosurgery, College of Medicine, Chosun University, Gwangju, Korea. chosunns@hanmail.net |
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ABSTRACT |
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. |
Key Words:
Ligamentum flavum; Hematoma; Adjacent segment |
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