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KMID : 0361620170520010065
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Journal of the Korean Orthopaedic Association
2017 Volume.52 No. 1 p.65 ~ p.72
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Radiologic Features and Surgical Outcome of Juxtafacet Cyst Associated with Degenerative Lumbar Disease
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Kim Whoan-Jeang
Chang Shann-Haw
Yang Hwa-Yeol
Kwon Won-Cho
Sung Hwan-Il
Park Kyung-Hoon
Choy Won-Sik
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Abstract
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Purpose: The purpose of this study was to evaluate the radiologic features of juxtafacet cyst and determine the correlation between these features and clinical outcome.
Materials and Methods: We analyzed a total of 23 patients. The degree of facet joint degeneration was classified using the Fujiwara method. The facet joint angles were measured with an magnetic resonance imaging to determine whether there was a difference between the cystic lesion that was occupied and the cystic lesion that was not occupied. Disc degeneration was measured by the Pfirrmann classification method. The clinical result was evaluated using the Oswestry disability index score and visual analogue scale.
Results: The L4?5 level of juxtafacet cyst was mostly affected, as found in previous studies. Facet joint arthritis was more severe within the side with the cystic lesion. Significant correlation was found between disc degeneration and juxtafacet joint cyst. All patients underwent wide decompression and fusion. Clinical result was excellent. No patients had signs of recurrence during the follow-up periods.
Conclusion: Juxtafacet cyst has a significant correlation with facet joint degeneration. Therefore, aggressive surgical treatment?not just simple cyst excision?should be considered as the treatment option for juxtafacet cyst associated with degenerative lumbar disease.
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KEYWORD
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juxtafacet cyst, degenerative lumbar disease, wide decompression and fusion
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