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Journal of Korean Neurosurgical Society 1987;16(2): 439-446. |
| The Pathomorphologic Study of Spinal Stenosis as Seen on CT - Myelography of the Lumbar. |
| Woo Seog Lee, Byung Gyu Ahn, Sun Kil Choi, Seung Koo Kang |
| Department of Neurosurgery, College of Medicine, Hallym University, Korea. |
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| ABSTRACT |
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This study has been examined different morphologic measurements in the evaluation of patients with lumbar spinal stenosis. Preoperative CT-Myelography from 30 patients who underwent surgery for central lumbar stenosis were analyzed. Based on this, we concluded as follows : 1) Bony measurement alone did not reliably identify patients with spinal stenosis. 2) Measurement of the transverse area of the dural sac on CT-Myelography was the most accurate method for identifying stenosis. 3) Lumbar myelography was still considered to have an important role in the valuation of a patient with stenosis because of correlation between the cross-sectional area of the dural sac and the anteroposterior diameter of the dural sac was excellent. 4) We identified soft-tissue problems as the main cause of stenosis. 5) The most common level of maximum stenosis was L4-5. |
| Key Words:
Spinal stenosis; CT-myelography; Bony canal; Dural sac |
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