2016_Head & Neck COURSE BOOK

STAGING SUPRAGLOTTIS

T1

Tumor limited to one subsite of the supraglottis with normal vocal cord mobility

Tumor invades mucosa of more than one adjacent subsite of the supraglottis or glottis region outside the supraglottis (eg, mucosa of base of the tongue, vallecula, medial wall of the piriform sinus) without fixation of the larynx Tumor limited to the larynx with vocal cord fixation and/or invading any of the following: postcricoid area, pre-epiglottic tissues, paraglottic space, and/or with minor thyroid cartilage erosion T4a: tumor invades the thyroid cartilage and/or tissues beyond the larynx (eg, trachea, soft tissues of the neck including deep extrinsic muscles of the tongue, strap muscles, thyroid gland, or esophagus) T4b: tumor invades the prevertebral space, encases the carotid artery, or invades mediastinal structures

T2

T3

T4

mercoledì 29 giugno 16