多层螺旋CT联合磁共振对新鲜与陈旧骨质疏松椎体压缩性骨折的鉴别诊断OA

Objective:To evaluate the value of multi-slice spiral CT combined with magnetic resonance in the differential diagnosis of fresh and old osteoporotic vertebral compression fractures.Methods:80 patients with osteoporotic vertebral compression fractures who were treated in our hospital from January 2020 to December 2022 as the study objects in this retrospective analysis.There were 35 patients diagnosed old osteoporotic vertebral compression fractures and 45 patients diagnosed fresh osteoporotic vertebral compression fractures through comprehensive diagnosis including medical history,surgery and pathology,the former patients were classified as old fracture group and the latter as fresh fracture group.All patients were examined by multi-slice spiral CT and magnetic resonance imaging(MRI).MRI findings and multi-slice spiral CT findings in patients with fresh and aged osteoporotic vertebral compression fractures were compared,and the diagnostic accuracy of fresh and aged in 80 patients with osteoporotic vertebral compression fractures were compared by multi-slice spiral CT and MRI,and receiver operating characteristic curves were established to analyze the diagnostic efficacy of multi-slice spiral CT combined with MRI for fresh and old osteoporotic vertebral compression fractures.Results:MRI and multi-slice spiral CT showed that the incidence of vertebral spondylolisthesis,vertebral trabecular structure disorder hardening,disc vacuum sign and degeneration in the fresh fracture group was lower than that in the old fracture group,while the incidence of paraspinal soft tissue shadow,spinal cord contusion bleeding and clear and sharp fracture line was higher than that in the old fracture group,with statistical significance(P<0.05).The diagnostic accuracy of multi-slice spiral CT combined with MRI was significantly higher than that of single diagnosis of MRI and multi-slice spiral CT,the difference was statistically significant(P<0.05),but the diagnostic accuracy of single diagnosis of mul·ti-slice spiral CT and MRI was not statistically significant(P>0.05).The diagnostic efficacy of multi-slice spiral CT combined with MRI in the diagnosis of fresh and old osteoporotic vertebral compression fractures was significantly higher than that of multi-slice spiral CT or MRI alone,and the difference was statistically significant(P<0.05).Conclusion:Multi-slice spiral CT and MRI have important diagnostic value for both fresh and old osteoporotic vertebral compression fractures.Although there is no significant difference in diagnostic accuracy of single application of the two diagnostic methods,multi-slice spiral CT combined with MRI can further improve the diagnostic accuracy and diagnostic efficiency of fresh and old osteoporotic vertebral compression fractures.