2016_Head & Neck COURSE BOOK

STAGING HYPOPHARYNX

T1

Tumor limited to one subsite of the hypopharynx and/or less than 2 cm in its greatest dimension

Tumor invades more than one subsite of the hypopharynx or an adjacent site, or measures more than 2 cm but less than 4 cm in its greatest diameter without fixation of the hemilarynx

T2

T3

Tumor more than 4 cm in its greatest dimension with fixation of the hemilarynx

T4a: Tumor invades thyroid/cricoid cartilage, hyoid bone, thyroid gland, esophagus or central compartment soft tissue (prelaryngeal strap muscles and subcutaneous fat) T4b: Tumor invades prevertebral fascia, encases the carotid artery or involves mediastinal structures

T4

mercoledì 29 giugno 16