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KMID : 1103720150730010018
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Journal of the Korean Society of Radiology
2015 Volume.73 No. 1 p.18 ~ p.25
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Value of Additional Cervicothoracic Sagittal T2-Weighted Images in Elderly Patients with Symptoms Suggestive of Lumbar Spinal Stenosis
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Park Sung-Hee
Ahn Joong-Mo
Lee Joon-Woo
Lee Guen-Young
Kang Heung-Sik
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Abstract
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Purpose
The purpose of this study was to analyze the incidence and predictive factors of tandem cervical spinal stenosis (CSS) in patients with lumbar spinal stenosis (LSS) based on MR.
Materials and Methods
From January to May of 2011, 140 consecutive patients (36 men, 94 women; mean age, 68.9 years; age range, 60-87 years) were included for the analysis. All patients were at least 60 years old, had undergone lumbar spine MRI including additional cervicothoracic sagittal T2-weighted images, and were clinically suspected of LSS. Two spine radiologists evaluated the risk factors for CSS, considering the possible risk factors such as age, sex, alignment disorder of the lumbar spine, number of levels of LSS, and severity of LSS, based on MR.
Results
Of the 140 patients, 42 (30%) patients had tandem spinal stenosis. CSS was more common among patients with LSS (42 of 61, 69%) than among patients without LSS (27 of 79, 34%) (p = 0.000). Grade 2 or 3 CSS was more commonly observed among patients with grade 2 or 3 LSS (15 of 53, 28%), than among patients with grade 0 or 1 LSS (8 of 87, 9%) (p = 0.003). Only the severity of LSS showed a significant association with the severity of CSS (p = 0.045).
Conclusion
Tandem CSS is common in LSS, and the severity of LSS is a risk factor of CSS.
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KEYWORD
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Lumbar Spinal Stenosis, Cervical Spinal Stenosis, Tandem Spinal Stenosis, MRI
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