TABLE I.
Demographics and Tumor Characteristics of 388 Head and Neck Squamous Cell Carcinoma Patients Who Completed Chemoradiation Therapy and Underwent Positron-Emission Tomography/Computed Tomography Surveillance at a Single Tertiary Care Center, 2001–2010.
| Total patients, no. | 388 |
| Age, mean (range), yr | 59 (20–88) |
| Sex, no. (%) | |
| Male | 303 (78) |
| Female | 85 (22) |
| Location of primary tumor, no. (%) | |
| Oropharynx | 144 (37) |
| Oral cavity | 85 (22) |
| Larynx | 73 (19) |
| Hypopharynx | 24 (6) |
| Nasopharynx | 17 (4) |
| Unknown | 15 (4) |
| Paranasal sinus | 12 (3) |
| Major salivary gland | 8 (2) |
| Skin of head and neck | 6 (2) |
| Other | 4 (1) |
| Nasal cavity | 3 |
| Lacrimal gland | 1 |
| T stage, no. (%) | |
| Tis | 2 (0.5) |
| T1 | 47 (12) |
| T2 | 127 (33) |
| T3 | 77 (20) |
| T4 | 103 (27) |
| Tx | 32 (8) |
| N stage, no. (%) | |
| N0 | 127 (33) |
| N1 | 73 (19) |
| N2 | 150 (39) |
| N3 | 21 (5) |
| Nx | 17 (4) |
| AJCC stage of primary tumor, no. (%) | |
| 0 | 2 (0.5) |
| I | 9 (2) |
| II | 42 (11) |
| III | 78 (20) |
| IV | 236 (61) |
| Unknown | 21 (5) |
| Early stage (I and II) | 53 (14) |
| Late stage (III and IV) | 314 (81) |
| Unknown | 21 (5) |
AJCC = American Joint Committee on Cancer.