Quick Reference Guide to TNM Staging of Head and Neck Cancer and Neck Dissection Classification

K. Group Staging for HPV-Mediated (p16+) Oropharyngeal Cancer..............25 L. Group Staging for Unknown Primary Cancer of the Head and Neck, p16(-), Excludes EBV(+) Disease as Well as Thyroid Cancer and Melanoma...................................................................................................................... 26 III. AJCC Tumor Staging—Nasopharynx, Thyroid, and Mucosal Melanoma ....................................................................................... 27 A. Nasopharynx...................................................................................................... 27 B. Thyroid................................................................................................................. 28 C. Mucosal Melanoma........................................................................................... 31 IV. Definition of Lymph Node Groups .................................................................... 33 A. Levels IA and IB: Submental and Submandibular Groups....................... 34 B. Levels IIA and IIB: Upper Jugular Group...................................................... 34 C. Level III: Middle Jugular Group...................................................................... 36 D. Level IV: Lower Jugular Group........................................................................ 36 E. Levels VA and VB: Posterior Triangle Group.............................................. 36 F. Level VI: Anterior (Central) Compartment Group.................................... 36 V. Conceptual Guidelines for Neck Dissection Classification ........................ 37 A. Radical Neck Dissection.................................................................................. 37 B. Modified Radical Neck Dissection................................................................ 38 C. Selective Neck Dissection............................................................................... 38 D. Extended Radical Neck Dissection................................................................41 VI. Reference Photos ..................................................................................................42 A. Oral Cavity...........................................................................................................42 B. Oropharynx..........................................................................................................46 D. Larynx/Supraglottis...........................................................................................49 C. Larynx/Glottis...................................................................................................... 51 E. Hypopharynx.......................................................................................................54 F. Carcinoma of the Neck, Unknown Primary.................................................. 56 G. Sinonasal Cancer................................................................................................ 56 H. Salivary Glands................................................................................................... 57 I. Thyroid.................................................................................................................... 59 J. Radical Neck Dissection....................................................................................60 K. Modified Radical Neck Dissection................................................................. 62 L. Central Neck Dissection.................................................................................... 63 M. Supraomohyoid Neck Dissection..................................................................64 N. Lateral Neck Dissection................................................................................... 65 O. Extended Radical Neck Dissection................................................................66

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