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Ultrasonographic Analyses of the Forehead Region for Injectable Treatments

Authors
 You-Jin Choi  ;  Kang-Woo Lee  ;  Young-Chun Gil  ;  Kyung-Seok Hu  ;  Hee-Jin Kim 
Citation
 ULTRASOUND IN MEDICINE AND BIOLOGY, Vol.45(10) : 2641-2648, 2019 
Journal Title
 ULTRASOUND IN MEDICINE AND BIOLOGY 
ISSN
 0301-5629 
Issue Date
2019
Keywords
Botulinum toxin type A ; Forehead ; Frontalis ; Soft tissue thickness ; Ultrasonography
Abstract
Botulinum toxin type A (BoNT-A) injections in the forehead region should only target the frontalis. This study applied ultrasonography with the aim of providing guidelines for predicting the layered structure and soft-tissue thickness of the forehead. We performed ultrasound scanning at 7 facial landmarks in 40 Korean adults. Allowing for the error range, the minimum depth from the skin to exclude the muscle layer was 2.3 mm, and the maximum depth from the skin to include the muscle layer was 2.8 mm. Of the total 7 points from the skin to muscle surface, significant differences between the males and females were found in 6 points (p < 0.05). Clinicians can use ultrasonography to identify the structural layers of the scalp. Even if ultrasound-guided injections are not performed, it is possible to target only muscle layers in BoNT-A injections by maintaining a needle depth of around 2.5 mm.
Files in This Item:
T201904236.pdf Download
DOI
10.1016/j.ultrasmedbio.2019.06.414
Appears in Collections:
2. College of Dentistry (치과대학) > Others (기타) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hee Jin(김희진) ORCID logo https://orcid.org/0000-0002-1139-6261
Lee, Kang Woo(이강우)
Choi, You Jin(최유진) ORCID logo https://orcid.org/0000-0003-3701-2200
Hu, Kyung Seok(허경석) ORCID logo https://orcid.org/0000-0002-9048-3805
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/173173
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