2016_Head & Neck COURSE BOOK

INTRODUCTION Presence of malignancy in one or more lymph nodes within the head and neck region that are not solely in the supraclavicular region, without an identifiable primary tumor

WHY?

SMALL SIZE AND ANATOMICAL POSITION OR CANCER CONFINED TO LYMPHOEPITHELIAL TISSUE OF THE OROPHARYNX (CRYPT ARE CHARACTERIZED BY INCOMPLETE BASEMENT MEMBRANE)

OR……..

Pawlita, Clin Exp Metastasis, 2015

mercoledì 29 giugno 16