| 重建前交叉韧带移植物生长的MR信号改变初步研究 |
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| 引用本文： | 梁治平,余深平,曾旭文,李艳梅,钟敏之,陈松.重建前交叉韧带移植物生长的MR信号改变初步研究[J].影像诊断与介入放射学,2010,19(3):155-157. |
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| 作者姓名： | 梁治平 余深平 曾旭文 李艳梅 钟敏之 陈松 |
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| 作者单位： | 1. 广州市红十字会医院放射科,广州,510220
2. 中山大学附属第一医院放射科,广州,510080 |
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| 基金项目： | 广州市医药卫生科技项目，广东省医学科研项目 |
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| 摘 要： | 目的探讨术后生长良好的重建前交叉韧带(ACL)移植物MR信号改变过程。方法选取48例ACL重建患者,Lysholm平均积分由术前54分升至术后83.5分,总结其术后4～22个月重建ACL移植物的MR信号改变。扫描序列包括SE T_1WI、GE T_2WI和STIR序列。结果 4～9个月内大部分重建ACL信号增高,术后12～22个月大部分重建ACL信号降低,与正常韧带相仿。结论生长良好的重建ACL移植物,术后MR信号呈现由高到低的变化过程,1年后信号与正常韧带相仿。
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| 关 键 词： | 磁共振成像 膝关节 前交叉韧带 重建 |
Evaluation of the growth of reconstruction anterior cruciate ligament graft: preliminary study with low-field MRI |
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| LIANG Zhi-ping,YU Shen-ping,ZENG Xu-wen,LI Yan-Mei,ZHONG Min-zhi,CHEN Song.Evaluation of the growth of reconstruction anterior cruciate ligament graft: preliminary study with low-field MRI[J].Journal of Diagnostic Imaging & Interventional Radiology,2010,19(3):155-157. |
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| Authors: | LIANG Zhi-ping YU Shen-ping ZENG Xu-wen LI Yan-Mei ZHONG Min-zhi CHEN Song |
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| Institution: | .( Department of Radiology, Guangzhou Red-Cross Hospital, Guangzhou 510220, China) |
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| Abstract: | Objective To evaluate the serial signal changes of the anterior cruciate ligament （ACL） reconstruction grafts on low- field magnetic resonance imaging （MRI）. Methods 48 patients with ACL reconstruction and Lysholm scores increasing from 54 pre- operatively to 83.5 after surgery were included in this study. The SE T1WI, GE T2WI and STIR sequences were analyzed for MR signal changes of the grafts 4-22 months after surgery. Results The grafts showed high signal intensity at 4-9 months after surgery and decreased signal intensities similar to normal ligaments at 12-22 months. Conclusion The ACL reconstruction grafts show progressive decrease in signal intensity after surgery to normal ligament signal intensity one year after surgery. |
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| Keywords: | Magnetic resonance imaging Knee joint Anterior cruciate ligament reconstruction |
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