The Oropharynx

Rodrigo Arrangoiz MS, MD, FACS, FSSO
  • The oropharynx:
    • Extends from:
      • The level of the hard palate superiorly to
      • The level of the hyoid bone inferiorly
  • Its anterior limit is:
    • The anterior faucal / tonsillar pillar:
      • But this is contiguous with:
        • The retromolar trigone
  • The oropharynx is divided into the following components:
    • The anterior wall:
      • Which is made up of:
        • The base of the tongue:
          • Posterior to the foramen caecum
        • The vallecula and
        • The lingual surface of the epiglottis:
          • It is bounded by the:
            • Pharyngoepiglottic folds
    • The lateral wall:
      • Which is made up of:
        • The anterior pillar:
          • Palatoglossus muscle
        • The posterior pillar:
          • Palatopharyngeus muscle and
        • The pharyngeal palatine tonsil
    • The roof:
      • Which is formed by the soft palate containing the:
        • Two heads of palatopharyngeus
        • The levator palati
        • The tensor palati and
        • The palatoglossus
      • The oral surface of the soft palate:
        • Is in the oropharynx
      • The nasopharyngeal surface:
        • Is part of the nasopharynx
    • The posterior wall:
      • Which extends from:
        • The level of the hard palate to the level of the hyoid bone and:
          • Is anterior to the second and third cervical vertebrae:
            • This consists of the:
              • Superior pharyngeal constrictor
              • Middle pharyngeal constrictor
              • Buccopharyngeal fascia:
                • Which separates it from the prevertebral fascia
  • The tongue base, or posterior tongue:
    • This is made up of:
      • The genioglossus muscle:
        • Which is attached to the hyoid
  • The base of the tongue:
    • Is contiguous with the vallecula:
      • Which is the roof of the pre-epiglottic space

#Arrangoiz #HeadandNeckSurgeon #CancerSurgeon #SurgicalOncologist #Teacher

Published by Rodrigo Arrangoiz MS, MD, FACS, FSSO

My name is Rodrigo Arrangoiz I am a breast surgeon/ thyroid surgeon / parathyroid surgeon / head and neck surgeon / surgical oncologist that works at Center for Advanced Surgical Oncology in Miami, Florida. I was trained as a surgeon at Michigan State University from (2005 to 2010) where I was a chief resident in 2010. My surgical oncology and head and neck training was performed at the Fox Chase Cancer Center in Philadelphia from 2010 to 2012. At the same time I underwent a masters in science (Clinical research for health professionals) at the University of Drexel. Through the International Federation of Head and Neck Societies / Memorial Sloan Kettering Cancer Center I performed a two year head and neck surgery and oncology / endocrine fellowship that ended in 2016. Mi nombre es Rodrigo Arrangoiz, soy cirujano oncólogo / cirujano de tumores de cabeza y cuello / cirujano endocrino que trabaja Center for Advanced Surgical Oncology en Miami, Florida. Fui entrenado como cirujano en Michigan State University (2005 a 2010 ) donde fui jefe de residentes en 2010. Mi formación en oncología quirúrgica y e n tumores de cabeza y cuello se realizó en el Fox Chase Cancer Center en Filadelfia de 2010 a 2012. Al mismo tiempo, me sometí a una maestría en ciencias (investigación clínica para profesionales de la salud) en la Universidad de Drexel. A través de la Federación Internacional de Sociedades de Cabeza y Cuello / Memorial Sloan Kettering Cancer Center realicé una sub especialidad en cirugía de cabeza y cuello / cirugia endocrina de dos años que terminó en 2016.

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