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New anatomical insights of the superficial branch of the zygomaticotemporal nerve for treating temporal migraines: An anatomical study

 You-Jin Choi  ;  Hee-Jin Kim 
 CLINICAL ANATOMY, Vol.36(3) : 406-413, 2023-03 
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Aged ; Cadaver ; Face* / innervation ; Fascia / anatomy & histology ; Female ; Humans ; Male ; Migraine Disorders* ; Temporal Muscle / innervation
anatomy ; botulinum toxin ; migraine ; surgery ; zygomaticotemporal nerve
The zygomaticotemporal nerve is known to contribute to temporal migraines; however, its precise anatomy remains unknown. The potential accessory branches of the zygomaticotemporal nerve may be considered a cause of continued temporal migraines after surgical procedures. In this study, we defined the novel superficial branch of the zygomaticotemporal nerve (sZTN) and investigated its anatomical course, distribution, and clinical implications. Twenty-two hemifaces from 11 fixed Korean cadavers (six males, five females; mean age, 78.3 years) were used in this study. The piercing points of the sZTN through the deep and superficial layers of the deep temporal fascia, and the superficial temporal fascia were defined as P1, P2, and P3, respectively. The distance of each point from the zygomatic tubercle was measured using an image analysis software. The sZTN ascended between the bone and the temporalis after emerging from the zygomaticotemporal foramen. It then pierced the deep temporal fascia without penetrating the temporalis. After then, it pierced the superficial layer of the deep temporal fascia and turned superiorly toward the upper posterior temple. When the sZTN passed through the superficial temporal fascia, it intersected with the superficial temporal artery in every case. The novel findings of the sZTN may help in the treatment of intractable temporal migraines refractory to injection or surgical procedure. Based on our findings, targeting the sZTN may be applied as an alternative treatment strategy for patients who do not show significant improvement with treatment targeted to trigger sites. © 2022 American Association of Clinical Anatomists and British Association of Clinical Anatomists.
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2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Others (기타) > 1. Journal Papers
Yonsei Authors
Kim, Hee Jin(김희진) ORCID logo https://orcid.org/0000-0002-1139-6261
Choi, You Jin(최유진) ORCID logo https://orcid.org/0000-0003-3701-2200
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