2016_Head & Neck COURSE BOOK

EPIDEMIOLOGY

SALIVARY GLAND TUMORS

- 3-4% of all head and neck tumors - 70% of salivary gland tumors arises in the parotid gland - 75% of the parotid tumors are benign

(Johnson et al. 2014)

SALIVARY GLAND MALIGNANT TUMORS

- 0.3-3% of all malignancies (De Brito Santos 2001, Harish 2004) - 4-6% of all head and neck cancers (Spiro 1986, Tran et al. 1986, Dillard et al.

2001) - Incidence SGMT: 4-135 / 1.000.000

mercoledì 29 giugno 16