Objectives: Over the years, the treatment of neck wrinkles has been a challenge for aesthetic physicians. Conventional treatments used to treat facial wrinkles, such as the intramuscular injection of Botulinum Toxin type A (BTXA), have not shown satisfactory results when applied to treat neck wrinkles. Due to the different and complex nature of the cervical SMAS compared to the facial SMAS, chemo denervation achieved from the intramuscular injection of BTXA is not effective for the treatment of neck wrinkles. In this case study, intradermal injection of BTXA was explored as a method to treat neck wrinkles
Materials / method: A 34-year-old female with moderate neck wrinkles was selected for this case study. The three intradermal injection techniques, Pinch and Spread, Rotating Vector, and Rolling methods, were utilized to achieve the skin tightening desired. The results were compared before and immediately after the injections. Also, a long-term follow-up 2 years after the injections was conducted, to assess the duration
of the injections.
Results: Improvements in the neck wrinkles were documented immediately after the injections. Increased sharpness of the cervical shoulder line and the cervical mental line was recorded. Moreover, the tightening effect from the injections made the neck appear longer. During the long-term follow-up session 2 years after the injections, the neck wrinkles were still not as severe as before treatment, and
the overall neck shape acquired from the injections was preserved.
Conclusion: Due to the complex nature of cervical SMAS, the treatment of neck wrinkles has been a challenge for aesthetic physicians. In this case study, intradermal injection of BTXA was demonstrated as a viable method to treat neck wrinkles and shape via skin tightening. The duration of the results was also shown to last over 2 years.
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