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2003•Chinese Journal of Spine and Spinal CordRequires access

Dynamic myelography in diagnosis of lumbar disc herniation

Xue J

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Abstract

Objective:To determine the value of dynamic myelography(DM)in diagnosis of lumbar disc herniation.Method:A total186patients diagnosed clinically for lumbar disc herniation were studied with Dynamic Myelography,with observing the contrast medium in spinal canal and taking X-ray film in different posture.Result:All patients received both CT scan and DM examination,and110patients underwent CTM scan,106patients were treatmented with removal of nucleus.According to the operative finding,the comparison study between DM and CT?CTM scan was carried out.The data showed DM reaching a higher diagnostic accuracy93.62%,CT scan was86.74%,CTM Scan was96.88%.Conclustion:DM clearly shows the indentation of nuclear protrution,can differentiate lumbar disc herniation from lumbar disc bulging.It has low pseudo-positive rate or low pseudo-negative rate in diagnosis of lumbar disc herniation.DM is a reliable diagnostic means for L5/S1disc herniation.

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Objective:To determine the value of dynamic myelography(DM)in diagnosis of lumbar disc herniation.Method:A total186patients diagnosed clinically for lumbar disc herniation were studied with Dynamic Myelography,with observing the contrast medium in spinal canal and taking X-ray film in different posture.Result:All patients received both CT scan and DM examination,and110patients underwent CTM scan,106patients were treatmented with removal of nucleus.According to the operative finding,the comparison study between DM and CT?CTM scan was carried out.The data showed DM reaching a higher diagnostic accuracy93.62%,CT scan was86.74%,CTM Scan was96.88%.Conclustion:DM clearly shows the indentation of nuclear protrution,can differentiate lumbar disc herniation from lumbar disc bulging.It has low pseudo-positive rate or low pseudo-negative rate in diagnosis of lumbar disc herniation.DM is a reliable diagnostic means for L5/S1disc herniation.

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Available abstract

Objective:To determine the value of dynamic myelography(DM)in diagnosis of lumbar disc herniation.Method:A total186patients diagnosed clinically for lumbar disc herniation were studied with Dynamic Myelography,with observing the contrast medium in spinal canal and taking X-ray film in different posture.Result:All patients received both CT scan and DM examination,and110patients underwent CTM scan,106patients were treatmented with removal of nucleus.According to the operative finding,the comparison study between DM and CT?CTM scan was carried out.The data showed DM reaching a higher diagnostic accuracy93.62%,CT scan was86.74%,CTM Scan was96.88%.Conclustion:DM clearly shows the indentation of nuclear protrution,can differentiate lumbar disc herniation from lumbar disc bulging.It has low pseudo-positive rate or low pseudo-negative rate in diagnosis of lumbar disc herniation.DM is a reliable diagnostic means for L5/S1disc herniation.

Key concepts: Medicine, Myelography, Lumbar disc herniation, Disc herniation, Lumbar, Radiology, Nuclear medicine, Spinal canal

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