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| Study On the Diagnostic Value of Multi-slice Spiral CT Post-Processing Combined with Magnetic Resonance Imaging Multi-sequence in the Diagnosis of Stress Fractures |
| Wang Wenhong |
| Department of Radiology,No. 15 People's Hospital of Zhengzhou,Zhengzhou,Henan,450041 |
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Abstract Objective To investigate the diagnostic value of multi-slice spiral CT post-processing combined with magnetic resonance imaging multi-sequence in the diagnosis of stress fractures.Methods A total of 76 patients with stress fractures were selected,and the patients were examined by multi-slice spiral CT and magnetic resonance imaging,and the imaging characteristics of multi-slice spiral CT and magnetic resonance imaging were observed.The characteristics ofstress injury were classified,andthe sensitivity,specificity,accuracy,positive predictive value and negative predictive value of multi-slice spiral CT examination and magnetic resonance imaging examination alone and in combination were compared in diagnosing stress fractures.Results The sensitivity,specificity and accuracy of multi-slice spiral CT were 59.21%,67.11% and 69.74% in detecting stress fractures,while the sensitivity,specificity and accuracy of MRI in detecting stress fractures were 76.32%,71.05% and 78.95%,the sensitivity,specificity,and accuracy of the two combined detection of stress fractures were 90.79%,81.58%and 92.11%.The diagnostic efficiency of the combined examination was higher than that of the single examination（P<0.05）.Multi-slice spiral CT detected the joint cavity.Effusion,bone marrow edema,articular cartilage damage,meniscus damage,and ligament damage were not detected.The detection rate of joint lesions by the combined examination was significantly higher than that by single examination（P<0.05）.Conclusion Multi-slice spiral CT post-processing combined with MRI multi-sequence has higher diagnostic performance for stress fractures,and has a higher detection rate for joint lesions.
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Received: 06 July 2022
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2023, Vol. 43 
