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KMID : 1189320190130030417
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Asian Spine Journal
2019 Volume.13 No. 3 p.417 ~ p.422
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The Prevalence of Asymptomatic Cervical and Lumbar Facet Arthropathy: A Computed Tomography Study
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Kim Jung-Hwan
Sharan Alok
Cho Woo-Jin
Emam Mohammed
Hagen Michael
Kim Soo-Yeon
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Abstract
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Study Design: Case control study.
Purpose: To determine the prevalence and degree of asymptomatic cervical and lumbar facet joint arthritis. We retrospectively reviewed 500 computed tomography (CT) scans of cervical facet joints obtained from 50 subjects. Moreover, 500 lumbar facet joints obtained from an additional 50 subjects were reviewed.
Overview of Literature: Numerous reports in the literature indicate that joint arthritis is a major source of axial neck and low back pain. However, the diagnostic value of this condition, based on degenerative changes seen on radiological studies, remains controversial because significant imaging findings may not correlate with corresponding symptoms. The CT scan is a sensitive method for facet joint evaluation and may reveal degenerative abnormalities. Previous studies have described the prevalence of facet arthropathy in symptomatic patients, according to radiological findings; however, no study to date has assessed its prevalence in asymptomatic patients.
Methods: We retrospectively reviewed the neck and abdominal CT scans of patients had been examined for non-spinal pathologies (i.e., thyroid disease, rule out cancer, ascites). Electronic medical records were reviewed to exclude patients with histories of either neck or back pain. Arthritis severity was graded using a previously published four-point CT scale.
Results: The prevalence of asymptomatic cervical facet arthritis (grade 1?3) was 33% (grade 1, 19%; grade 2, 11%; and grade 3, 3%). Among asymptomatic patients, 37% had scalable lumbar facet join arthritis (grade 1, 24%; grade 2, 9%; and grade 3, 4%). There was a statistically significant difference (chi-square test, p<0.0001) in the number of older individuals with arthritic degeneration at the cervical and lumbar levels compared with that of younger individuals. The C6?C7 and L5?S1 levels were the most likely to show arthritic changes.
Conclusions: Arthritic changes to the cervical and lumbar facet joints are prevalent among patients, and in some cases are asymptomatic. These findings were more common in older patients and at lower spinal levels.
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KEYWORD
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Facet joint, Zygapophyseal joint, Cervical spine, Lumbar spine, Diagnostic imaging, Prevalence study
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