磁共振小視野表面線圈在距骨軟骨損傷成像中的應用
[Abstract]:Objective to compare the accuracy of proton density weighted imaging (2D-FSE-PD), 3D variable rotation fast spin echo sequence (3D-SPACE) and small FOV surface coil 2D-FSE-PD sequence in the imaging of cartilage injury of talus. Methods 43 patients (45 ankle joints) underwent 2D-FSE-PD and 3D-SPACE sequence scanning with boot coils and then replaced with small FOV surface coils for 2D-FSE-PD imaging. The results of arthroscopic examination were taken as gold standard to compare the coincidence rate of three scanning methods in displaying talus cartilage injury. Results the coincidence rate of 2D-FSE-PD sequence of small FOV surface coil was 86.67% (39 / 45), that of boot coil 2D-FSE-PD sequence was 60.00% (27 / 45), and that of boot coil 3D-SPACE sequence was 68.89% (31 / 45). The coincident rate of 2D-FSE-PD sequence in small FOV surface coil was higher than that in boot coil 3D-SPACE sequence (蠂 2 / 24.114) and 2D-FSE-PD sequence (蠂 ~ 2 / 2 / 8.182 / P0. 001), but there was no significant difference between 3D-SPACE sequence of boot coil and 2D-FSE-PD sequence (蠂 ~ 2 / 2 / 0. 776 / P ~ 0. 125). Conclusion compared with boot coil 2D-FSE-PD and 3D-SPACE sequence, small FOV surface coil 2D-FSE-PD imaging can better display talus cartilage injury.
【作者單位】: 南京醫(yī)科大學附屬蘇州醫(yī)院放射科;蘇州大學附屬第二醫(yī)院放射科;南京醫(yī)科大學附屬蘇州醫(yī)院骨科;無錫人民醫(yī)院放射科;
【基金】:蘇州市臨床重點病種診療技術專項項目(LCZX201310)
【分類號】:R445.2;R684
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