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Anatomical study of the corrugator supercilii muscle and its clinical implication with botulinum toxin A injection

Authors
 Hun-Mu Yang  ;  Hee-Jin Kim 
Citation
 SURGICAL AND RADIOLOGIC ANATOMY, Vol.35(9) : 817-821, 2013 
Journal Title
 SURGICAL AND RADIOLOGIC ANATOMY 
ISSN
 0930-1038 
Issue Date
2013
MeSH
Aged ; Botulinum Toxins, Type A/administration & dosage ; Dissection ; Eye/anatomy & histology* ; Female ; Forehead/anatomy & histology ; Humans ; Male ; Muscle, Skeletal/anatomy & histology* ; Republic of Korea
Keywords
Aged ; Botulinum Toxins, Type A/administration & dosage ; Dissection ; Eye/anatomy & histology* ; Female ; Forehead/anatomy & histology ; Humans ; Male ; Muscle, Skeletal/anatomy & histology* ; Republic of Korea
Abstract
PURPOSE: Botulinum toxin A (BTX-A) injection targeting the corrugator supercilii muscle (CSM) has been widely performed to remove glabellar wrinkles. The aim of the present study was to elucidate the exact location and dimensions of the CSM in Koreans by elaborate dissections followed by accurate measurements to provide the topographic guidance for an efficient and safe manipulation of the BTX-A injection. METHODS: Thirty-five specimens from twenty fixed Korean cadavers (twelve males, eight females; mean age, 65.5 years) were examined in the present study. RESULTS: The CSM comprised oblique and transverse bellies, with the oblique belly being classified into narrow vertical (62.9%) and broad triangular (37.1%) types. The widths at the apex and base of the CSM were 10.0 ± 3.7 and 19.5 ± 5.4 mm (mean ± SD), respectively. The most-medial apical point was located 17.3 ± 3.2 mm superior to the horizontal intercanthal plane (HL) and 4.3 ± 1.9 mm lateral to the vertical midline of the face (VL). The most-lateral apical point was located 15.8 ± 2.4 mm superior to the HL and 13.9 ± 4.3 mm lateral to the VL. The most-medial basal point was located 31.2 ± 3.2 mm superior to the HL and 16.4 ± 4.8 mm lateral to the VL. The most-lateral basal point was located 28.6 ± 4.9 mm superior to the HL and 35.3 ± 4.3 mm lateral to the VL. CONCLUSION: The topographic data on the CSM presented here in will be helpful for the accurate and safe implementation of BTX-A injection to the forehead in Koreans.
Full Text
http://link.springer.com/article/10.1007%2Fs00276-013-1174-5
DOI
10.1007/s00276-013-1174-5
Appears in Collections:
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
Yang, Hun Mu(양헌무) ORCID logo https://orcid.org/0000-0003-1954-0114
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/88446
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