中国中西医结合影像学杂志2025，Vol.23Issue(2)：244-248,5.DOI:10.3969/j.issn.1672-0512.2025.02.021
MRI同时多层成像-质子密度加权成像序列在膝关节半月板撕裂中的应用价值
Application of MRI based on simultaneous multi-slice proton density weighted imaging sequence in knee meniscus tear
摘要
Abstract
Objective:To evaluate the application value of simultaneous multi-slice proton density weighted imaging(SMS-PDWI)in knee meniscus tear.Methods:This retrospective study analyzed 40 patients with arthroscopically confirmed meniscal injuries.All patients underwent MRI with three sagittal sequences,iPAT-PDWI(thickness of 3 mm),SMS-PDWI(3 mm)and SMS-PDWI(1.5 mm).The signal intensity and standard deviation of muscle and meniscus were measured on iPAT-PDWI(3 mm)and SMS-PDWI(3 mm)images,and SNR and CNR of meniscus were calculated.Two radiologists assessed the images subjective score and meniscus injury degree of each sequence.With the arthroscopy results as the diagnostic standard,the sensitivity,specificity and accuracy of each sequence in the diagnosis of meniscus tear were calculated.The differences of subjective score,SNR,CNR and meniscus tear were compared.Results:The subjective scores of three sequences images had no significant differences(P>0.05).There were no significant differences in SNRs or CNRs of meniscus between iPAT-PDWI(3 mm)and SMS-PDWI(3 mm)(all P>0.05).SMS-PDWI(3 mm)and iPAT-PDWI(3 mm)had no statistical differences in the sensitivity,specificity or accuracy in the diagnosis of meniscus tear(all P>0.05).The sensitivity and accuracy of SMS-PDWI(1.5 mm)were higher than those of SMS-PDWI(3 mm)and iPAT-PDWI(3 mm)in evaluating meniscus tear(all P<0.05).Conclusions:SMS-PDWI scan of knee joint can improve the accuracy of the diagnosis and evaluation of meniscus tear,which has a high clinical application value.关键词
磁共振成像/膝关节/同时多层成像技术/质子密度加权成像/半月板Key words
Magnetic resonance imaging/Knee joint/Simultaneous multi-slice/Proton density weighted imaging/Meniscus引用本文复制引用
何朝梁,杨洁,刘玉建,赵志强,李艳,唐翎,黄燕涛,仲建全..MRI同时多层成像-质子密度加权成像序列在膝关节半月板撕裂中的应用价值[J].中国中西医结合影像学杂志,2025,23(2):244-248,5.基金项目
2023年自贡市公立医院改革与高质量发展示范项目(ZG-KY-2023-008). （ZG-KY-2023-008）
