Demographic and Clinical Characteristics of Study Population (n = 21)
| Characteristic | No. of patients | % |
|---|---|---|
| Sex | ||
| Male | 14 | 67 |
| Female | 7 | 33 |
| Age* (y) | 46 ± 15 (range, 17–78) | |
| Primary site of tumor | ||
| Nasal cavity | 16 | 76 |
| Oral cavity | 3 | 14 |
| Nasopharynx/oropharynx | 2 | 10 |
| Involvement of cervical nodes | ||
| No | 14 | 67 |
| Yes | 7 | 33 |
| Ann Arbor stage | ||
| I | 9 | 43 |
| II | 7 | 33 |
| III | 2 | 10 |
| IV | 3 | 14 |
| Treatment | ||
| Combined chemotherapy and radiotherapy | 14 | 67 |
| Chemotherapy alone | 4 | 19 |
| Radiotherapy of involved field | 3 | 14 |
| Tumor 18F-FDG uptake | ||
| SUV of primary tumor* | 5.5 ± 2.8 (range, 2.1–13.0) | |
| SUV category of primary tumor | ||
| ≤5.5 | 11 | 52 |
| >5.5 | 10 | 48 |
| Follow-up period of survivors* (mo) | 34 ± 12 (range, 18–52) |
↵* Mean ± SD.