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Surgical and Radiologic Anatomy

, Volume 35, Issue 9, pp 817–821 | Cite as

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

  • Hun-Mu Yang
  • Hee-Jin Kim
Original Article

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.

Keywords

Corrugator supercilii muscle Glabellar wrinkle Botulinum toxin A Anatomy Measurement study 

Notes

Acknowledgments

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2011-0007612).

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Copyright information

© Springer-Verlag France 2013

Authors and Affiliations

  1. 1.Division in Anatomy and Developemental Biology, Department of Oral BiologyYonsei University College of DentistrySeoulSouth Korea

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