Objective To study the morphological characteristics of the coracoclavicular ligament and its guiding significance for transosseous tunnels construction. Methods The MRI scan data of 480 scapula patients were collected from January 1, 2017 to January 1, 2020. Four angles and seven distances from 480 MRI scan were defined and measured in images of the coronal and sagittal plane. All data were analyzed by SPSS 20.0. Results In the coronal plane, the average distance from the midpoint of acromioclavicular joint to the insertion at the clavicle was greater in males than in females, with statistical difference (P<0.05). In the sagittal plane, in addition to the diameter of insertion at the coracoid process, the distance from the insertion at the clavicle to the insertion at the coracoid process, the distance from the tip of the coracoid process to the insertion at the coracoid process, the distance from the supraclavicular plane of the clavicle to the subcoracoid plane of the coracoid process, the diameter of insertion at the clavicle in males were greater than those in females, with statistical difference (P<0.05). Conclusions These anatomical parameters could completely describe the anatomical characteristics of coracoclavicular ligament, which are beneficial for the construction of coracoclavicular ligament to create transosseous tunnels accurately and individualized treatment of acromioclavicular dislocation.
Key words
Coracoclavicular ligament /
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Acromioclavicular joint dislocation /
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Magnetic Resonance Imaging /
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Anatomy /
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Transosseous tunnels
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