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Anatomical variation of the external carotid artery coursing through the superficial layer of the posterior belly of the digastric muscle: A case report Io Ariyoshi 1 , Tatsuya Furukawa 1 , Hirotaka Shinomiya 1 , Keisuke Iritani 1 , Shun Tatehara 1 , Ken-ichi Nibu 1 1Department of Otolaryngology Head and Neck Surgery, Kobe University Hospital Keyword: 顎二腹筋後腹 , 外頸動脈走行異常 , 頸部郭清術 pp.1055-1058
Published Date 2022/11/20
DOI https://doi.org/10.11477/mf.1411203188
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 It is commonly known that the main trunk vessels run deep into the posterior belly of the digastric muscle. We report a case of the external carotid artery running through the superficial layer of the posterior belly of the digastric muscle. Intraoperatively, we identified the posterior belly of the digastric muscle and observed a pulsating blood vessel running through the superficial layer of the muscle. We confirmed that this vessel was the external carotid artery because the facial artery diverged and traveled into the deep part of the digastric muscle. Surgeons should be mindful of these anatomical variations in blood vessels.


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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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