确定颈阔肌的面部范围：对连续71例面部提升手术的回顾
Defining the facial extent of the platysma muscle: a review of 71 consecutive face-lifts.
作者信息
Shah Anil R, Rosenberg David
机构信息
Division of Facial Plastic Surgery, Department of Otolaryngology, University of Chicago, 845 N Michigan Ave, Ste 934E, Chicago, IL 60611, USA.
出版信息
Arch Facial Plast Surg. 2009 Nov-Dec;11(6):405-8. doi: 10.1001/archfacial.2009.82.
OBJECTIVE
To delineate the superior (facial) extent of the platysma muscle.
METHODS
A total of 142 facial halves were examined from 71 consecutive deep-plane rhytidectomies performed over a period of 3 months. The platysma muscle was identified and isolated during the procedure. The superior extent of the platysma was measured along the line created by the angle of the mandible to the malar eminence, also known as the malar mandibular line.
RESULTS
On average, the platysma extended 3.98 cm along the malar mandibular line, superiorly from the inferior border of the mandible. The platysma was located 3.09 cm inferiorly from the malar eminence along the malar mandibular line. On average, the platysma muscle occupied 56% of the malar mandibular line.
CONCLUSION
The platysma muscle may have a more significant facial extension than previously described.
目的
明确颈阔肌的上（面部）界范围。
方法
在3个月的时间里，对连续进行的71例深层平面除皱术中的142侧面部进行了检查。在手术过程中识别并分离颈阔肌。沿下颌角至颧突所形成的线（也称为颧下颌线）测量颈阔肌的上界范围。
结果
平均而言，颈阔肌沿颧下颌线从下颌下缘向上延伸3.98厘米。颈阔肌沿颧下颌线距离颧突下方3.09厘米。平均而言，颈阔肌占据颧下颌线的56%。
结论
颈阔肌在面部的延伸范围可能比先前描述的更大。
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