2016_Head & Neck COURSE BOOK

HYPOPHARYNX

EPIDEMIOLOGY

Piriform Sinus Posterior pharyngeal wall Post-cricoid region

Incidence 9.4% 100.000 ab in France, 1% 100.000 ab USA M:F=2:1 95% squamous cell carcinoma Tobacco and alcohol are the 2 most important risk factors Plummer-Vinson syndrome > 80% stage III-IV

5%

21%

74%

Data from Memorial Sloan-Kettering Cancer Center, New York

mercoledì 29 giugno 16