Masticator Space

Rodrigo Arrangoiz MS, MD, FACS, FSSO
  • The masticator space:
    • Is one of the seven deep compartments of the head and neck
  • Gross anatomy:
    • The masticator space are:
      • Paired suprahyoid cervical spaces:
        • On each side of the face
    • Each space is enveloped by:
      • The superficial layer of the deep cervical fascia:
        • The superficial layer of deep cervical fascia:
          • Splits into two at the lower border of the mandible:
            • The inner layer:
              • Running deep to the medial pterygoid muscle and attaches to the skull base medial to foramen ovale and
            • The outer layer:
              • Covering the masseter and temporalis muscles and attaches to the parietal calvaria superiorly
  • Contents:
    • Muscles of mastication
    • Ramus and body of mandible
    • Inferior alveolar nerve
    • Inferior alveolar vein and artery
    • Mandibular division of the trigeminal nerve (V3):
      • Enters the masticator space:
        • Via the foramen ovale
    • Pterygoid venous plexus
  • Boundaries and relations:
    • Anteriorly:
      • The buccal space
    • Posterolaterally:
      • Parotid space
    • Medially:
      • Parapharyngeal space
  • Communications:
    • Masticator space malignancies can spread perineurally:
      • Via the mandibular division of the trigeminal (V3) nerve:
        • Into the middle cranial fossa

#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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