Head and Neck Anatomy in 25 Minutes - University of Toronto · 2017-03-20 · Head and Neck Anatomy...

Head and Neck Anatomy in 25 Minutes

Laila Alshafai Assistant Professor, Division of Neuroradiology

Education Coordinator, Diagnostic Neuroradiology fellowship program Diagnostic Neuroradiologist, Head and Neck Imaging Mount Sinai Hospital & University Health Network

Outline Important Openings/Pathways

Head and Neck Anatomy

Spaces • Suprahyoid

Parapharygeal (PPS) Masticator Submandibular Sublingual Parotid

• Infrahyoid Visceral Posterior Cervical Anterior Cervical

• Both Carotid Retropharyngeal /Dangerous Perivertebral

Mucosa • Nasopharynx • Oropharynx • Oral cavity • Larynx

• Hypopharynx

Outline http://www.headandneckrad.com

Head and Neck Anatomy

Nasopharynx Head and Neck Anatomy

Nasopharynx Head and Neck Anatomy

Nasopharynx Head and Neck Anatomy

Fossa of Rosenmuller

Nasopharynx Head and Neck Anatomy

Fossa of Rosenmuller

Nasopharynx Head and Neck Anatomy

Torus Tubarius

Eustachian tube opening

Nasopharynx Head and Neck Anatomy

Torus Tubarius

Nasopharynx Head and Neck Anatomy

Head and Neck Anatomy

Tensor Veli Palatini

Levator Veli Palatini

Parapharyngeal space

Nasopharynx

Head and Neck Anatomy Nasopharynx Parapharyngeal space

Nasopharynx Head and Neck Anatomy

Pterygopalatine Fossa

Nasopharynx Head and Neck Anatomy

Pterygopalatine Fossa

Nasopharynx Head and Neck Anatomy

Adenoid hypertrophy in young patients

Oropharynx Head and Neck Anatomy

Oropharynx Head and Neck Anatomy

Oropharynx Head and Neck Anatomy

Anterior tonsillar pillar

Posterior tonsillar pillar

Palatine tonsil

Oropharynx Head and Neck Anatomy

Young

Oropharynx Head and Neck Anatomy

Tongue base

Oropharynx Head and Neck Anatomy

Vallecula

Vallecula

Epiglottis

Oropharynx Head and Neck Anatomy

Glossoepiglottic fold

Oropharynx Head and Neck Anatomy

Lingual tonsils

Pharyngoepiglottic fold

Oral Cavity Head and Neck Anatomy

Anatomic subdivisions: • Lips • Floor of mouth • Oral tongue (anterior 2/3rds)

• Buccal mucosa • Upper and lower gingivae • Hard palate • Retromolar trigone

Oral Cavity Head and Neck Anatomy

Oral Cavity Head and Neck Anatomy

Oral tongue

Oral Cavity Head and Neck Anatomy

Oral tongue

Oral Cavity Head and Neck Anatomy

Lingual artery

Oral Cavity Head and Neck Anatomy

Floor of mouth

Oral Cavity Head and Neck Anatomy

Sublingual gland

Oral Cavity Head and Neck Anatomy

Glosso-mylohyoid Gap

Oral Cavity Head and Neck Anatomy

Anterior belly of Digastric muscle

Mylohyoid Muscle

Oral Cavity Head and Neck Anatomy

Mylohyoid Muscle

Anterior belly of Digastric muscle

Oral Cavity Head and Neck Anatomy

Submandibular Space

Sublingual Space =

Floor of mouth

Mylohyoid Muscle

Oral Cavity Head and Neck Anatomy

Mylohyoid muscle dehiscence

Sublingual Space =

Floor of mouth

Oral Cavity Head and Neck Anatomy

Buccinator muscle Buccal mucosa

Oral Cavity Head and Neck Anatomy

Buccinator muscle Buccal mucosa

Oral Cavity Head and Neck Anatomy

* *

Retromolar trigone

Oral Cavity Head and Neck Anatomy

Buccal cortex

Lingual cortex

Larynx Head and Neck Anatomy

Larynx Supraglottic

Head and Neck Anatomy

Larynx Head and Neck Anatomy

Larynx Glottic

Head and Neck Anatomy

Larynx Subglottic

Head and Neck Anatomy

Head and Neck Anatomy

Hypopharynx Head and Neck Anatomy

3 main regions:

Hypopharynx Head and Neck Anatomy

Thyroid Cartilage

Hyoid Bone

Arytenoid Cartilage

Pyriform Sinus

Hypopharynx Head and Neck Anatomy

Head and Neck Anatomy Masticator Space/Parotid Space

Parotid duct

Head and Neck Anatomy Submandibular/Sublingual Spaces

Head and Neck Anatomy Carotid Space

Head and Neck Anatomy Retropharyngeal/Dangerous Space