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Abstract:

Background. This study was conducted to clarify the relationships between the extracranial portion of the facial nerve (EFN) and the zygomatic arch (ZA). Method. Four cadaveric heads (8 parotid regions), examined under 3-40× magnification, were dissected from lateral to medial to expose the EFN. Findings. In a vertical plane just anterior to the tragus, the distance from the superior edge of the ZA to the facial nerve (FN) is, on average, 26.88mm. The FN then courses superiorly and anteriorly, crossing the ZA 18.65mm anterior to the tragus on average. Thus, three points can be used to depict a triangle: A, at the level of the anterior border of the tragus, just above the superior edge of the ZA; B, 26mm below A; and C, 18mm anterior to A. This so called facial-zygomatic triangle represents the area where surgical dissection can be performed with no risk of damaging the FN. Thus, the closer one stays to the tragus, the lesser the risk of damaging the FN below the ZA. If the incision is carried out on a vertical plane closer to the tragus, the skin can be safely cut up to 2cm below the ZA. Conclusion. The facial-zygomatic triangle is a very useful superficial landmark to avoid FN damage when working below the ZA. © 2008 Springer-Verlag.

Registro:

Documento: Artículo
Título:Facial-zygomatic triangle: A relationship between the extracranial portion of facial nerve and the zygomatic arch
Autor:Campero, A.; Socolovsky, M.; Martins, C.; Yasuda, A.; Torino, R.; Rhoton, A.L.
Filiación:Department of Neurosurgery, Hospital Británico de Buenos Aires, Buenos Aires, Argentina
Department of Neurological Surgery, University of Florida, Gainesville, FL, United States
La Pampa 1175 Apt. 5A, Buenos Aires 1428, Argentina
Palabras clave:Facial nerve; Microsurgical anatomy; Orbito-zygomatic approach; Zygomatic arch; article; cadaver; facial nerve; human; mandibular nerve; masseter muscle; mastoid; parotid gland; priority journal; surgical approach; surgical technique; temporal bone; zygoma; Cadaver; Craniotomy; Dissection; Ear Auricle; Face; Facial Nerve; Facial Nerve Injuries; Humans; Intraoperative Complications; Microsurgery; Neurosurgical Procedures; Parietal Bone; Skull; Sphenoid Bone; Temporal Bone; Zygoma
Año:2008
Volumen:150
Número:3
Página de inicio:273
Página de fin:278
DOI: http://dx.doi.org/10.1007/s00701-007-1404-x
Título revista:Acta Neurochirurgica
Título revista abreviado:Acta Neurochir.
ISSN:00016268
CODEN:ACNUA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00016268_v150_n3_p273_Campero

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Citas:

---------- APA ----------
Campero, A., Socolovsky, M., Martins, C., Yasuda, A., Torino, R. & Rhoton, A.L. (2008) . Facial-zygomatic triangle: A relationship between the extracranial portion of facial nerve and the zygomatic arch. Acta Neurochirurgica, 150(3), 273-278.
http://dx.doi.org/10.1007/s00701-007-1404-x
---------- CHICAGO ----------
Campero, A., Socolovsky, M., Martins, C., Yasuda, A., Torino, R., Rhoton, A.L. "Facial-zygomatic triangle: A relationship between the extracranial portion of facial nerve and the zygomatic arch" . Acta Neurochirurgica 150, no. 3 (2008) : 273-278.
http://dx.doi.org/10.1007/s00701-007-1404-x
---------- MLA ----------
Campero, A., Socolovsky, M., Martins, C., Yasuda, A., Torino, R., Rhoton, A.L. "Facial-zygomatic triangle: A relationship between the extracranial portion of facial nerve and the zygomatic arch" . Acta Neurochirurgica, vol. 150, no. 3, 2008, pp. 273-278.
http://dx.doi.org/10.1007/s00701-007-1404-x
---------- VANCOUVER ----------
Campero, A., Socolovsky, M., Martins, C., Yasuda, A., Torino, R., Rhoton, A.L. Facial-zygomatic triangle: A relationship between the extracranial portion of facial nerve and the zygomatic arch. Acta Neurochir. 2008;150(3):273-278.
http://dx.doi.org/10.1007/s00701-007-1404-x