2016_Head & Neck COURSE BOOK

BASE OF THE TONGUE OROPHARYNX: SUBSITES

Often poorly differentiated (up to 60%) Presentation: 60% of SCC have nodal involvement , bilateral in 30% (levels II-III, IV) T1-2 present at least with one cervical metastasis, (up to 20% with bilateral N) 30-50% with uncontrolled base of tongue SCC will present M Symptoms : sore throat and dysphagia Difficult to detect : often becomes clinically evident in advanced stage (submucosal mass): this due to absence of pain fibers

KEY POINTS: site, size and relation with the midline submucosal extension extension to the mobile tongue and oral cavity extension to the larynx (preepiglottic space, supraglottis) N status (levels II, III, IV) M status

mercoledì 29 giugno 16