Anatomical recommendations for safe botulinum toxin injection into temporalis muscle: a simplified reproducible approach

Won Kang Lee, Jung Hee Bae, Kyung Seok Hu, Takafumi Kato, Seong Taek Kim

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Purpose: The objective of this study was to simplify the anatomically safe and reproducible approach for BoNT injection and to generate a detailed topographic map of the important anatomical structures of the temporal region by dividing the temporalis into nine equally sized compartments. Methods: Nineteen sides of temporalis muscle were used. The topographies of the superficial temporal artery, middle temporal vein, temporalis tendon, and the temporalis muscle were evaluated. Also evaluated was the postural relations among the foregoing anatomical structures in the temporalis muscle, pivoted upon a total of nine compartments. Results: The temporalis above the zygomatic arch exhibited an oblique quadrangular shape with rounded upper right and left corners. The distance between the anterior and posterior margins of the temporalis muscle was equal to the width of the temporalis rectangle, and the distance between the reference line and the superior temporalis margin was equal to its height. The mean ratio of width to height was 5:4. Conclusions: We recommend compartments Am, Mu, and Pm (coordinates of the rectangular outline) as areas in the temporal region for BoNT injection, because using these sites will avoid large blood vessels and tendons, thus improving the safety and reproducibility of the injection.

Original languageEnglish
Pages (from-to)263-269
Number of pages7
JournalSurgical and Radiologic Anatomy
Volume39
Issue number3
DOIs
Publication statusPublished - 2017 Mar 1

Fingerprint

Botulinum Toxins
Muscles
Injections
Temporal Lobe
Tendons
Zygoma
Temporal Arteries
Blood Vessels
Veins
Safety

All Science Journal Classification (ASJC) codes

  • Anatomy
  • Surgery
  • Pathology and Forensic Medicine
  • Radiology Nuclear Medicine and imaging

Cite this

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abstract = "Purpose: The objective of this study was to simplify the anatomically safe and reproducible approach for BoNT injection and to generate a detailed topographic map of the important anatomical structures of the temporal region by dividing the temporalis into nine equally sized compartments. Methods: Nineteen sides of temporalis muscle were used. The topographies of the superficial temporal artery, middle temporal vein, temporalis tendon, and the temporalis muscle were evaluated. Also evaluated was the postural relations among the foregoing anatomical structures in the temporalis muscle, pivoted upon a total of nine compartments. Results: The temporalis above the zygomatic arch exhibited an oblique quadrangular shape with rounded upper right and left corners. The distance between the anterior and posterior margins of the temporalis muscle was equal to the width of the temporalis rectangle, and the distance between the reference line and the superior temporalis margin was equal to its height. The mean ratio of width to height was 5:4. Conclusions: We recommend compartments Am, Mu, and Pm (coordinates of the rectangular outline) as areas in the temporal region for BoNT injection, because using these sites will avoid large blood vessels and tendons, thus improving the safety and reproducibility of the injection.",
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Anatomical recommendations for safe botulinum toxin injection into temporalis muscle : a simplified reproducible approach. / Lee, Won Kang; Bae, Jung Hee; Hu, Kyung Seok; Kato, Takafumi; Kim, Seong Taek.

In: Surgical and Radiologic Anatomy, Vol. 39, No. 3, 01.03.2017, p. 263-269.

Research output: Contribution to journalArticle

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