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| Analysis of MR findings and differential diagnosis in spinal postoperative complications |
| YANG Hai-tao, WANG Ren-fa, LI Feng, ZHANG Hai-dong, XIA Li-ming, WANG Cheng-yuan |
| Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430030, China |
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Abstract Objective: To analyse MR findings in spinal postoperative complications and investigate the clinical applicative value of MRI in the diagnosis and differential diagnosis. Methods: MRI data of 114 cases of spinal postoperative complications were analyzed retrospectively and compared with the clinical data. Results: The main spinal postoperative complications includes: spinal stenosis(n=33, 21 cases of epidural fibrosis, 13 cases of epidural hematoma or epidural abscess); lack of stability(n=43); infection(n=23, 7 cases of para-spinal soft-tissue infection, 5 cases of vertebral discitis, 4 cases of vertebral and appendix infection, 3 cases of epidural abscess, 2 cases of myelitis, 2 cases of spinal arachnoiditis) and other(n=28, 12 cases of inner fixation failure, 9 cases of epidural hematoma, 7 cases of cerebrospinal fluid gusher). Conclusion: MRI can specifically display all kinds of spinal postoperative complications, and has a significant value in diagnosis and differential diagnosis.
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Received: 20 December 2006
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2007, Vol. 18 
