Head & Neck Anatomy

Head & Neck Anatomy

  • When discussing the extra-cranial head and neck we typically divide it into supra-hyoid and infra-hyoid regions

  • Supra-Hyoid Region includes the following spaces

    • Parapharyngeal space

    • Pharyngeal mucosal space

    • Masticator space

    • Danger space

  • Infra-Hyoid Region includes the following spaces

    • Visceral space

    • Posterior cervical space

    • Carotid space

    • Retro-pharyngeal space

    • Peri-vertebral space

  • Carotid space

  • Retro-pharyngeal space

  • Peri-vertebral

  • Parotid Space

Fossa of Rosenmuller

  • Aka posterior-lateral pharyngeal recess

  • Most common site for nasopharyngeal carcinoma

References:

Case courtesy of Jeffrey Hocking, Radiopaedia.org, rID: 43811 (deep spaces anatomy images)

Case courtesy of Hoe Han Guan, Radiopaedia.org, rID: 150887