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Stab injury to the preauricular region with laceration of the external carotid artery without involvement of the facial nerve: A case report

2017-07-29Artigo científico Acesso aberto
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dc.contributor.authorCasal, D.
dc.contributor.authorPelliccia, G.
dc.contributor.authorPais, D.
dc.contributor.authorCarrola-Gomes, D.
dc.contributor.authorAngélica-Almeida, M.
dc.contributor.authorVideira-Castro, J.
dc.contributor.authorGoyri-O'Neill, J.
dc.contributor.institutionNOVA Medical School|Faculdade de Ciências Médicas (NMS|FCM)
dc.contributor.pblBioMed Central (BMC)
dc.date.accessioned2017-10-24T22:00:19Z
dc.date.available2017-10-24T22:00:19Z
dc.date.issued2017-07-29
dc.description.abstractBackground: Open injuries to the face involving the external carotid artery are uncommon. These injuries are normally associated with laceration of the facial nerve because this nerve is more superficial than the external carotid artery. Hence, external carotid artery lesions are usually associated with facial nerve dysfunction. We present an unusual case report in which the patient had an injury to this artery with no facial nerve compromise. Case presentation: A 25-year-old Portuguese man sustained a stab wound injury to his right preauricular region with a broken glass. Immediate profuse bleeding ensued. Provisory tamponade of the wound was achieved at the place of aggression by two off-duty doctors. He was initially transferred to a district hospital, where a large arterial bleeding was observed and a temporary compressive dressing was applied. Subsequently, the patient was transferred to a tertiary hospital. At admission in the emergency room, he presented a pulsating lesion in the right preauricular region and slight weakness in the territory of the inferior buccal branch of the facial nerve. The physical examination suggested an arterial lesion superficial to the facial nerve. However, in the operating theater, a section of the posterior and lateral flanks of the external carotid artery inside the parotid gland was identified. No lesion of the facial nerve was observed, and the external carotid artery was repaired. To better understand the anatomical rationale of this uncommon clinical case, we dissected the preauricular region of six cadavers previously injected with colored latex solutions in the vascular system. A small triangular space between the two main branches of division of the facial nerve in which the external carotid artery was not covered by the facial nerve was observed bilaterally in all cases. Conclusions: This clinical case illustrates that, in a preauricular wound, the external carotid artery can be injured without facial nerve damage. However, no similar description was found in the reviewed literature, which suggests that this must be a very rare occurrence. According to the dissection study performed, this is due to the existence of a triangular space between the cervicofacial and temporofacial nerve trunks in which the external carotid artery is not covered by the facial nerve or its branches. © 2017 The Author(s).en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent7
dc.format.extent1210059
dc.identifier.doi10.1186/s13256-017-1361-9
dc.identifier.issn1752-1947
dc.identifier.otherPURE: 3229341
dc.identifier.otherPURE UUID: 9d06d092-04a6-407e-97e1-c7b1197878dc
dc.identifier.otherRIS: urn:02D9250EC1073D3E64A6B8002A60C3FB
dc.identifier.otherScopus: 85026370706
dc.identifier.otherPubMed: 28754171
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85026370706&doi=10.1186%2fs13256-017-1361-9&partnerID=40&md5=88fa1f1d629d466057ff8a4c6eaf3ae1
dc.identifier.urlhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85026370706&doi=10.1186%2fs13256-017-1361-9&partnerID=40&md5=88fa1f1d629d466057ff8a4c6eaf3ae1
dc.language.isoeng
dc.peerreviewedyes
dc.subjectAnatomy
dc.subjectCadaver
dc.subjectCarotid artery
dc.subjectCase report
dc.subjectFacial nerve
dc.subjectStab wound
dc.subjectTrauma
dc.subjectWound
dc.subjectglass
dc.subjectadult
dc.subjectArticle
dc.subjectbleeding
dc.subjectcadaver
dc.subjectcarotid artery injury
dc.subjectcase report
dc.subjectexternal carotid artery
dc.subjectfacial nerve
dc.subjecthuman
dc.subjectlaceration
dc.subjectmale
dc.subjectphysical examination
dc.subjectpreauricular stab injury
dc.subjectpriority journal
dc.subjectrare disease
dc.subjectstab wound
dc.subjectwound care
dc.subjectSDG 3 - Good Health and Well-being
dc.titleStab injury to the preauricular region with laceration of the external carotid artery without involvement of the facial nerve: A case reporten
dc.typejournal article
degois.publication.firstPage
degois.publication.issue1
degois.publication.lastPage
degois.publication.titleJournal of Medical Case Reports
degois.publication.volume11
dspace.entity.typePublication
rcaap.rightsopenAccess

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