Table II.
Demographics and tumour features.
| Characteristics | Entire series | Larynx | Tracheal |
|---|---|---|---|
| Patients, no. | 365 | 130 | 235 |
| Age, years (mean) | 51.9 | 53.6 | 46.5 |
| Gender, no. | |||
| Male | 183 | 75 | 108 |
| Female | 176 | 49 | 127 |
| Anatomic site, no. | |||
| Trachea | 235 | - | 235 |
| Larynx | 126 | 126 | - |
| Subsites, no. | |||
| Supraglottis | 49 | 49 | - |
| Glottis | 15 | 15 | - |
| Subglottis | 54 | 54 | - |
| Transglottis | 12 | 12 | - |
| Trachea NOS | 51 | - | 51 |
| Cervical trachea | 40 | - | 40 |
| Middle trachea | 60 | - | 60 |
| Distal/carinal trachea | 84 | - | 84 |
| Histotypes, no. | |||
| ACC | 324 | 90 | 234 |
| MEC | 24 | 23 | 1 |
| Adenocarcinoma | 12 | 12 | - |
| Adenosquamous carcinoma | 3 | 3 | - |
| Myoepithelial | 2 | 2 | - |
| pTNM, (no. of pts. with available data) | |||
| T3-T4 | 51(86) | 28 | 23 |
| N+ | 16(85) | 16 | 0 |
| M0 | 131(142) | 92 | 39 |
| M1 | 11(142) | 4 | 7 |
| PNI-LVI, (no. of pts. surgically treated with available data) | |||
| PNI+ | 47(82) | 35 | 11 |
| LVI+ | 13(33) | 13 | - |
| Margins, (no. of pts. surgically treated with available data) | |||
| R0 | 76(273) | 34 | 42 |
| R0 close | 9(273) | 7 | 2 |
| R1 | 187(273) | 36 | 151 |
| R2 | 1(273) | 0 | 1 |
| NOS: not otherwise specified; ACC: adenoid cystic carcinoma; MEC: mucoepidermoid carcinoma; PNI: perineural invasion; LVI: lymphovascular invasion. | |||