1305 / 1983
Head and neck cancer: etiologic factors
Tobacco use (smoking, chewing)
Alcohol abuse
Other factors:
Oral cancer: betel quid, poor oral hygiene
Nasal cavity and paranasal sinus cancers: wood dust, leather dust
Nasopharynx carcinoma: EBV associated, salted fish consumption, genetic
factors?
Oropharynx carcinoma: HPV associated
Hypopharynx carcinoma: vitamin C and iron deficiency (Plummer-Vinson
syndrome)
Salivary gland tumors: ionizing radiation, asbestos, certain metals