Table 1.
Characteristics of HNSCC patients
| Squamous cell carcinoma | Benign tumor | ||
|---|---|---|---|
| Total number | 46 | 23 | |
| Mean age (years) | 63.8 (49−86) | 60.7 (39–78) | |
| Gender | |||
| Male | 36 | 12 | |
| Female | 10 | 11 | |
| Tumor site | Tumor site | ||
| Nasopharynx | 1 | Submandibular gland | 1 |
| Oropharynx | 8 | Parotid gland | 10 |
| Maxillary sinus | 9 | Thyroid | 7 |
| Oral cavity | 12 | Larynx | 1 |
| Hypopharynx | 8 | Neck | 3 |
| Larynx | 8 | Paranasal sinus | 1 |
| TNM classification | Pathological diagnosis | ||
| Stage I | 5 | Pleomorphic adenoma | 5 |
| Stage II | 7 | Warthin‘s tumor | 4 |
| Stage III | 10 | Lymphoepithelial cyst | 2 |
| Stage IV | 24 | Adenomatous goiter | 6 |
| T1 | 6 | Papilloma | 1 |
| T2 | 14 | Follicular adenoma | 1 |
| T3 | 7 | Hematoma | 1 |
| T4 | 19 | Lymphangioma | 1 |
| N0 | 25 | Cyst | 1 |
| N1 | 6 | Lipoma | 1 |
| N2 | 14 | ||
| N3 | 1 | ||
TNM classification tumor/node/metastasis classification