Ultrasonographic Analyses of the Forehead Region for Injectable Treatments

You Jin Choi; Kang Woo Lee; Young Chun Gil; Kyung Seok Hu; Hee Jin Kim

doi:10.1016/j.ultrasmedbio.2019.06.414

Ultrasonographic Analyses of the Forehead Region for Injectable Treatments

You Jin Choi, Kang Woo Lee, Young Chun Gil, Kyung Seok Hu, Hee Jin Kim

Department of Oral Biology

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

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.

Original language	English
Pages (from-to)	2641-2648
Number of pages	8
Journal	Ultrasound in Medicine and Biology
Volume	45
Issue number	10
DOIs	https://doi.org/10.1016/j.ultrasmedbio.2019.06.414
Publication status	Published - 2019 Oct

Bibliographical note

Funding Information:
The authors thank Hwi Eun Hur (BA) from Davidson College for revising this paper. This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIP) (NRF-2017 R1 A2 B4003781).

Funding Information:
The authors thank Hwi Eun Hur (BA) from Davidson College for revising this paper. This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Korean government ( MSIP ) ( NRF-2017 R1 A2 B4003781 ).

Publisher Copyright:
© 2019 The Authors

All Science Journal Classification (ASJC) codes

Biophysics
Radiological and Ultrasound Technology
Acoustics and Ultrasonics

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10.1016/j.ultrasmedbio.2019.06.414

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title = "Ultrasonographic Analyses of the Forehead Region for Injectable Treatments",

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.",

author = "Choi, {You Jin} and Lee, {Kang Woo} and Gil, {Young Chun} and Hu, {Kyung Seok} and Kim, {Hee Jin}",

note = "Funding Information: The authors thank Hwi Eun Hur (BA) from Davidson College for revising this paper. This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIP) (NRF-2017 R1 A2 B4003781). Funding Information: The authors thank Hwi Eun Hur (BA) from Davidson College for revising this paper. This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Korean government ( MSIP ) ( NRF-2017 R1 A2 B4003781 ). Publisher Copyright: {\textcopyright} 2019 The Authors",

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N2 - 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.

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Ultrasonographic Analyses of the Forehead Region for Injectable Treatments

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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