•5%-6% of all cancers (688,000 new cases in 2012; 350,000 deaths)
• ≥50% are ≥60 years of age; >90% squamous type (Western world)
•Risk factors:
–Tobacco smoking − Poor oral health
–Alcohol use − Mechanical irritation
–Betel chewing − Occupational exposure
–HPV − Malnutrition
•Localized disease 40%, regional metastases 50%, distant metastases 10%
•2/3 locally/regionally advanced
•Major threat: Local recurrence, SPT, SFT
Head & Neck Cancer
Epidemiology, Risk Factors, & Presentation
HPV, human papillomavirus; SFT, second field tumor; SPT, second primary tumor