Anatomical morphometry of coracoclavicular ligament based on fresh cadaver and clinical significance

ZHANG Lei; TANG Xiao-Gao; JIN Yu-Feng; ZHANG Hua-Qiang; ZHOU Xin; YU Lin; WANG Guo-You; FU Shi-Jie

doi:10.16098/j.issn.0529-1356.2021.06.019

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Acta Anatomica Sinica ›› 2021, Vol. 52 ›› Issue (6) : 954-959. DOI: 10.16098/j.issn.0529-1356.2021.06.019

Anatomy

Anatomical morphometry of coracoclavicular ligament based on fresh cadaver and clinical significance

ZHANG Lei^1,2,3,4 TANG Xiao-gao¹ JIN Yu-feng⁵ Zhang Hua-qiang⁵ ZHOU Xin^1,2,3,4 YU Lin^1,2,3,4 WANG Guo-you^1,2,3,4 FU Shi-jie^1,2,3,4*

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Abstract

Objective To measure the anatomical morphology of coracoclavicular ligament based on fresh cadavers, and to provide anatomical basis for anatomical reconstruction of coracoclavicular ligament. Methods A total of 52 the acromioclavicular joints(fresh body specimen) was dissected, and the anatomical characteristics of coracoclavicular ligament were observed by dissecting acromioclavicular joint specimens. The anatomic data of which the length of the conoid ligament(QR), the length of the trapezoid ligament(ST); the distance from the conoid ligament attachment on coracoid to coracoid tip(RV), the distance from the trapezoid ligament attachment on coracoid to coracoid tip(TV), the distance form conoid ligament attachment on the clavicular to acromioclavicular joint(QU), the distance form the trapezoid ligament attachment on the clavicular to acromioclavicular joint(SU), the distance from supraclavicular plane to subcoracoid plane(WX) were measured; and the mean diameter of the trapezoid ligament attachment on the clavicular(a-), the mean diameter of the conoid ligament attachment on the clavicular(b-), the mean diameter of the trapezoid ligament attachment on the coracoid(c-), the mean diameter of he conoid ligament attachment on the coracoid(d-) were calculation. The measurement result underwent statistical analysis. Results The minimum diameter of the trapezoid ligament attachment on the clavicular and coracoid on the left and right sides, respectively. There were no significant differences in those anatomical morphology of the coracoclavicular ligament(P>0.05). The anatomical morphology of the diameter of coracoclavicular ligament attachment on the male and female had no significant difference (P>0.05). The maximum length of the conoid ligament was (14.19±2.43/15.87±2.99) mm on the left and right sides, respectively. The distance from the conoid ligament attachment on coracoid to coracoid tip was (36.66±4.25/33.61±3.45) mm on the left and right sides, respectively. The mean diameter of the conoid ligament attachment on the clavicular and coracoid was (11.95±1.43/11.23±1.12)mm and (9.20±1.60/7.90±0.76)mm on the left and right sides, respectively. There were significant differences in those anatomical morphology of the coracoclavicular ligament(P<0.05), while the others were no significant differences (P>0.05). The anatomical morphology of the coracoclavicular ligament on the male and female had no significant difference (P>0.05). Conclusion The comprehensive measurement of anatomical morphology of coracoclavicular ligament can provide an anatomical basis for shoulder joint diseases related to coracoclavicular ligament injury. It will help surgical staff perform a complete anatomic reconstruction of coracoclavicular ligaments for the surgical treatment of dislocation of the acromioclavicular joint.

Key words

Coracoclavicular ligament / Fresh cadaver / Clinical significance / Anatomical morphometry / Human

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ZHANG Lei TANG Xiao-gao JIN Yu-feng Zhang Hua-qiang ZHOU Xin YU Lin WANG Guo-you FU Shi-jie. Anatomical morphometry of coracoclavicular ligament based on fresh cadaver and clinical significance[J]. Acta Anatomica Sinica. 2021, 52(6): 954-959 https://doi.org/10.16098/j.issn.0529-1356.2021.06.019

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