2016_Head & Neck COURSE BOOK

DIAGNOSTIC WORK-UP N STAGING

30-50% of OC/OP tumors are cN+ at the diagnosis Prevalence of N in relation to subsite Mobile tongue 50-70% Floor of the mouth 20-40% Gengiva (alveolus) 20-40% Retromolar trigon 20-40% Base tongue - tonsil > 70% Soft palate 45%

SECOND PRIMARIES Second primaries in the UADT after a primary in the OC or OP develop in 14% (4-6% every year)

mercoledì 29 giugno 16