J Craniofac Surg 2020 Oct 8. Epub 2020 Oct 8.
*Department of Human Anatomy, Histology, and Embryology, School of Basic Medical Science, Kumming Medical University †Department of Pathology and Pathophysiology, School of Basic Medical Sciences, Kunming Medical University ‡Department of the Head and Neck Surgery, the Third Affiliate Hospital, Kunming Medical University §School of Rehabilitation, Kunming Medical University, Kunming, PR China.
Background: Advances in the understanding of wrinkling crow's feet while improving the safety and efficacy of botulinum toxin type A injection has pointed to drug dispersion in the lateral orbital wrinkles as a cause of adverse events of botulinum toxin type A injection. The purpose of this study is to identify the distribution of temporal and zygomatic branches of facial nerve in the orbicularis oculi muscles.
Methods: Anatomical dissection of cadavers was performed in 31 cadavers, 13 females and 18 males, with ages ranging from 20 to 60 years, which of all had been embalmed by 10% formalin solution. Read More