2016_Head & Neck COURSE BOOK

LYMPH NODE METASTASIS

Overall prevalence of nodal metastasis: 25-38% Overall prevalence of occult metastasis: 18-49% Overall prevalence of nodal recurrence: 12-14% Presence of nodal metastasis: 10-y overall survival decreses more than 50%

RISK FACTORS Histologic type (SDC, ADC) T Stage and dimension (>3 cm)

Grading Age

Pain Facial nerve palsy

Poulsen et al. 1992, Kelley and Spiro 1996, De Brito-Santos et al. 2001, Harish 2004, Zbaren et al 2005, Chen et al 2007

Extraparenchymal extension

mercoledì 29 giugno 16