2016_Head & Neck COURSE BOOK

OROPHARYNX: SUBSITES

POSTERIOR PHARYNGEAL WALL

Rare

Tend to remain asymptomatic (pain, bleeding and dysphagia) until they gain considerable bulk, often diagnosed at late stages (75%)

Pathways of spreading Retropharyngeal and prevertebral spaces Lateral extension is uncommon Bilateral N involvement (lymphatic spread is found in about 25% of T1 and in 75% or more of T4)

KEY POINTS: retropharyngeal involvement prevertebral space involvement N status

mercoledì 29 giugno 16