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Muscles for Facial Expressions01:14

Muscles for Facial Expressions

The craniofacial muscles are a collection of approximately 20 thin skeletal muscles situated beneath the skin of the face and scalp. These muscles, primarily responsible for the vast array of human facial expressions, originate from the bones or fibrous structures of the skull and extend outwards to connect with the skin. While most skeletal muscles in the body are enveloped in thick fascia, facial muscles generally have a more delicate fascial covering, with the buccinator muscle being a...

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Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection
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The transzygomatic approach.

Alvaro Campero1, A Agustín Campero, Mariano Socolovsky

  • 1Department of Anatomy, School of Medicine, University of Tucumán, Ayacucho 491, San Miguel de Tucumán, Tucumán 4000, Argentina. alvarocampero@yahoo.com.ar

Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia
|August 10, 2010
PubMed
Summary

The transzygomatic approach provides detailed technical steps for intracranial surgery, offering versatile access to critical brain regions. This surgical technique enhances exposure of the middle fossa floor and cavernous sinus lateral wall.

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Area of Science:

  • Neurosurgery
  • Surgical Anatomy

Background:

  • The transzygomatic approach is a surgical technique used in neurosurgery.
  • It involves specific anatomical dissections and bone flap creation for intracranial access.

Observation:

  • The procedure details an incision from the zygomatic arch anterior to the tragus.
  • It includes subgaleal and interfascial dissection, vertical zygomatic arch sectioning, and mobilization.
  • A fronto-temporo-sphenoidal craniotomy is performed for anterior temporal dura exposure.

Findings:

  • This approach allows for four types of surgical access: intradural middle fossa, intradural pretemporal to basal cisterns, intradural transtemporal to the insular region, and extradural middle fossa.
  • It provides excellent exposure of the middle fossa floor and lateral cavernous sinus wall.
  • Combined approaches enhance visualization of the interpeduncular cistern and insular region.

Implications:

  • The transzygomatic approach offers significant advantages for accessing complex pathologies in the middle fossa and skull base.
  • It expands the surgical possibilities for neurosurgeons, potentially improving patient outcomes.
  • Detailed understanding of this technique is crucial for its safe and effective application.