Corrugator supercilii muscle and its relationship with neurovascular structures of the frontal region: A cadaveric study

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dc.authorid0009-0000-3596-3147
dc.authorid0000-0003-3728-6930
dc.authorid0000-0002-0337-4927
dc.authorid0000-0002-2305-420X
dc.authorid0000-0001-7958-3170
dc.contributor.authorYıldız, Nilay
dc.contributor.authorNteli Chatzioglou, Gkionoul
dc.contributor.authorCoşkun, Osman
dc.contributor.authorKale, Ayşin
dc.contributor.authorGayretli, Özcan
dc.date.accessioned2026-06-01T13:15:18Z
dc.date.available2026-06-01T13:15:18Z
dc.date.issued2026
dc.departmentFakülteler, Tıp Fakültesi, Temel Tıp Bilimleri Bölümü, Anatomi Ana Bilim Dalı
dc.description.abstractBackground The corrugator supercilii muscle (CSM) is a critical anatomical target for botulinum toxin injections and surgical interventions in migraine treatment and facial rejuvenation. However, complications such as sensory loss or vascular injury may arise due to its proximity to neurovascular structures. This study aims to delineate the precise anatomy of the CSM and its relationship with the supratrochlear (STN) and supraorbital nerves (SON) to enhance procedural safety. Methods A cadaveric dissection was performed on 44 hemifaces of 22 formalin-fixed cadavers (11 male and 11 female). The CSM and adjacent neurovascular structures were dissected, photographed, and measured using ImageJ software. Morphometric parameters included distances related to the CSM, as well as branching patterns of the STN and SON were evaluated. Results The CSM length was significantly longer in females (30.53 ± 2.60 mm; 28.93 ± 2.15 mm, p = 0.032). The STN exhibited complex branching (> 3 branches) in 48% of cases, with 13.6% piercing the CSM anteriorly. The SON medial branch pierced the CSM’s lateral segments (46.5% 3rd segment; 53.5% 2nd segment). The supratrochlear artery crossed the CSM 14.84 ± 2.05 mm (females) and 15.43 ± 2.04 mm (males) from the midline, while the supraorbital artery lay 25.38 ± 3.76 mm (females) and 24.49 ± 4.55 mm (males) lateral to the midline. Conclusions The CSM’s intimate relationship with the STN, SON, and associated vessels underscores the risk of iatrogenic injury during forehead procedures. Anatomical variations in nerve branching and muscle morphology highlight the need for individualized approaches to botulinum toxin injection and surgical resection. These findings may reduce complications and improve outcomes in migraine surgery and aesthetic interventions. No Level Assigned This journal requires that authors assign a level of evidence to each submission to which Evidence-Based Medicine rankings are applicable. This excludes Review Articles, Book Reviews, and manuscripts that concern Basic Science, Animal Studies, Cadaver Studies, and Experimental Studies. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.
dc.description.sponsorshipOpen access funding provided by the Scientific and Techno logical Research Council of Türkiye (TÜBİTAK). Bu çalışma, Türkiye Bilim ve Teknolojik Araştırma Konseyi (TÜBİTAK) tarafından sağlanan açık erişim fonuyla desteklenmiştir.
dc.identifier.citationYıldız, N., Nteli Chatzioglou, G., Coşkun, O., Kale, A., & Gayretli, Ö. (2026). Corrugator supercilii muscle and its relationship with neurovascular structures of the frontal region: A cadaveric study. Aesthetic Plastic Surgery, https://doi.org/10.1007/s00266-026-05933-w
dc.identifier.doi10.1007/s00266-026-05933-w
dc.identifier.issn1432-5241
dc.identifier.issn0364-216X
dc.identifier.pmidPMID: 42192010
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1007/s00266-026-05933-w
dc.identifier.urihttps://hdl.handle.net/20.500.13055/1491
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.indekslendigikaynak.otherSCI-E - Science Citation Index Expanded
dc.institutionauthorNteli Chatzioglou, Gkionoul
dc.institutionauthorid0000-0003-3728-6930
dc.language.isoen
dc.publisherSpringer Nature Link
dc.relation.ispartofAesthetic Plastic Surgery
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectCorrugator Supercilii Muscle
dc.subjectSupratrochlear Nerve
dc.subjectSupraorbital Nerve
dc.subjectMigraine Surgery
dc.subjectBotulinum Toxin
dc.titleCorrugator supercilii muscle and its relationship with neurovascular structures of the frontal region: A cadaveric study
dc.typeArticle
dspace.entity.typePublication

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