Chen Gang, Oranges Carlo M, Giordano Salvatore, Huang Rulin, Wang Wenjin
Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai.
Dermatol Online J. 2019 Aug 15;25(8):13030/qt49s9h9zh.
Injections of botulinum toxin type A represent the most common nonsurgical cosmetic treatment worldwide. The authors report a case of dynamic horizontal wrinkling in the upper lip that appeared after botulinum toxin type A injections to treat gummy smile associated with nasal alar base reduction, in a 28-year-old woman. The anatomic features and pathogenic mechanism underlying this unusual complication are analyzed and discussed.
A型肉毒杆菌毒素注射是全球最常见的非手术美容治疗方法。作者报告了一例28岁女性的病例，该患者在接受A型肉毒杆菌毒素注射以治疗与鼻翼基底缩小相关的露龈笑后，上唇出现动态水平皱纹。分析并讨论了这种罕见并发症的解剖学特征和发病机制。
