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《Modern Medical Imagelogy》 2003-01
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CT Diagnosis of Middle and Old - aged with Lumbar Disc Herniation (A Report of 56 Cases)

Chen Xiaoyu Lu Hong Tang Shucheng Gu Jinghua Department of Radiology, W. J Chongqing Hospital, Chongqing 400061  
Purpose: To analyse the CT features of the middle and old - aged lumbar disc herniation, and to evaluate the value and limitations of CT diagnosis of lumbar disc herniation. Materials and Methods: CT findings of 56 cases of middle and old - aged herniated lumbar disc verified by surgery were retrospectively analysed. Results: The accuracy of CT diagnosis was 85.7% . The types of CT diagnosis of the herniation were divided into posterior and central - type, posterolateral - type, intra or extraforaminal - type. The CT features included: (1) Profusion of soft tissue density mass with edge smooth into the canal from posterior annulus, Compression and indentation of dural sac; (2) Free fragments formation; (3) Compression nad swelling or entrapping of the nerve root; (4) Partial calcification of ossification of the herniated disc ; in addition, accompanying abnormalities such as stenosis of the spinal canal or lateral recess, thickening of ligament flavum, degenerative facet osbeoarthritis and vacuum phenomenon could be seen. Conclusion: CT is the first imaging method for detecting lumbar disc herniation, the majority of cases can be correctly diagnosed by CT.
【CateGory Index】: R816.8
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【References】
Chinese Journal Full-text Database 1 Hits
1 YU Kai-lang1, ZHAO Chen2 (1. Yangzhou Wutaishan Hospital, Yangzhou 225003, China; 2. Yangzhou Orthopaedics Hospital);CT analysis of 322 cases with lumbar disc herniation[J];Medical Journal of Chinese People Heacth;2004-10
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1 HU Xiaoxin,SUN Lan,CHEN Shihong.Department of Radiology,the Second Traditional Chinese Medicine Hospital of Guangdong Province,Guangzhou 510095;CT diagnosis of lumbar disc herniation[J];Radiologic Practice;2002-06
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