基于压缩感知3D-SPACE序列对喙锁韧带的解剖学定量研究
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南京医科大学第一附属医院放射科

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R322.73

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国家自然科学基金项目(面上项目,重点项目,重大项目)


Anatomical Quantitative Study of Coracoclavicular Ligament using 3D-SPACE Sequence Based on Compressed Sensing
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Department of Radiology,the First Affiliated Hospital of Nanjing Medical University

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    摘要:

    目的:使用三维可变翻转角快速自旋回波(Three-Dimensional Sampling Perfection with Application optimized Contrast using different flip angle Evolutions,3D-SPACE)序列联合压缩感知(Compressed Sensing,CS)技术,在健康人群中定量测量喙锁韧带的两个组成部分,斜方韧带与锥状韧带各自的长度、附着点宽度、附着点位置等解剖学参数。方法:前瞻性收集无肩部外伤行肩关节MRI检查的患者64例,对患者进行冠状位T1WI 3D CS-SPACE序列的扫描。两名放射科医师分别对图像进行多平面重建,在斜冠状位图像上测量斜方韧带与锥状韧带的长度、在锁骨上附着处宽度以及附着处中心点距锁骨外侧缘的距离,在斜矢状位图像上测量两者在喙突上附着处宽度,在斜轴位图像上测量斜方韧带与锥状韧带在喙突附着处中心点距喙突外侧缘的距离以及喙突的大小。当两名医师测量结果具有一致性时,取平均值用于统计学分析。按性别分组,比较各参数组间一致性,并将喙锁韧带各解剖定量数据与年龄、喙突大小进行相关性分析。结果:斜方韧带长度、在锁骨及喙突上的附着处宽度、附着处中心点距锁骨、喙突外侧缘的距离以及锥状韧带附着处中心点距锁骨、喙突外侧缘的距离男女之间均具有统计学差异(P<0.05)。年龄与各解剖参数间均不具有相关性(P>0.05)。除锥状韧带长度外,余斜方韧带及锥状韧带解剖学定量参数均与喙突大小具有不同程度相关性(P>0.05)。结论:3D CS-SPACE序列能够清晰显示斜方韧带与锥状韧带的解剖学结构,通过其获得斜方韧带与锥状韧带的定量解剖学参数,为肩锁关节损伤患者的个体化手术治疗提供依据,有利于减少并发症的发生。

    Abstract:

    Objective: Using the Three-Dimensional Sampling Perfection with Application optimized Contrast using different flip angle Evolution (3D-SPACE) sequence combined with Compressed Sensing (CS) technology, the anatomical parameters of trapezoid ligament and conoid ligament (the two components of the coracoclavicular ligament) were quantitatively measured in a healthy population, such as the length, the attachment footprint width, and the position of attachment footprint center. Methods: Prospective collection of 64 patients without shoulder trauma who underwent shoulder joint MRI examination, the coronal T1WI 3D CS-SPACE sequence scans were performed on these patients. Two radiologists performed multiplanar reconstruction on these images, measuring the length of the trapezoid and conoid ligaments, the attachment footprint width on the clavicle, and the distance from the attachment footprint center to the outer edge of the clavicle on the oblique coronal image. The attachment footprint width on the coracoid process were measured on the oblique sagittal image. And the distance from the attachment footprint center of these two ligaments to the outer edge of the coracoid process and the size of the coracoid process was measured on the oblique axial image. When the measurement results of two physicians are consistent, take the average for statistical analysis. Grouping by gender, comparing the consistency between each parameter, and conducting correlation analysis between anatomical quantitative data of the coracoclavicular ligament and age and coracoid process size. Results: The length of the trapezoid ligament, the attachment footprint width on the clavicle and coracoid process of the trapezoid ligament, the distance from attachment footprint center of the trapezoid ligament to the outer edge of the clavicle and coracoid process, and the distance from attachment footprint center of the conoid ligament to the outer edge of the clavicle and coracoid process all showed statistical differences between males and females (P<0.05). There is no correlation between age and various anatomical parameters (P>0.05). Except for the length of the conoid ligament, the anatomical quantitative parameters of the trapezoid ligament and conoid ligament have varying degrees of correlation with the size of the coracoid process (P>0.05). Conclusion: The 3D CS-SPACE sequence can clearly display the anatomical structures of the trapezoid ligament and conoid ligament, and obtain quantitative anatomical parameters of them, providing a basis for individualized surgical treatment of patients with acromioclavicular joint injuries and reducing the occurrence of complications.

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  • 收稿日期:2025-08-18
  • 最后修改日期:2025-09-29
  • 录用日期:2025-10-23
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