Table 4.
English literature review of sinonasal tract neurofibroma cases (1–14)
| Characteristic | Number [n = 24] |
|---|---|
| Gender a | |
| Females | 11 |
| Males | 12 |
| Age (years) | |
| Range | 6–69 |
| Mean | 46 |
| Median | 45 |
| Female (mean) | 47 |
| Male (mean) | 48.6 |
| Symptom duration (months) a | |
| Range | 1–108 |
| Mean | 24.4 |
| Female patients (mean) | 11.6 |
| Male patients (mean) | 26.2 |
| Left (mean) | 9.8 |
| Right (mean) | 31.8 |
| Bilateral (mean) | 9 |
| Laterality a | |
| Left | 8 |
| Right | 14 |
| Bilateral | 2 |
| Syndrome associated (NF1) | 2 |
| Anatomic site a | |
| Nasal cavity alone | 15 |
| Maxillary sinus alone | 4 |
| Frontal sinus alone | 2 |
| Mixed Sites | 3 |
| Size (cm) a | |
| Range | 1–6 |
| Mean | 3.8 |
| Median | 4 |
| Female (mean) | 4.1 |
| Male (mean) | 3.5 |
| Left (mean) | 3.5 |
| Right (mean) | 4.1 |
| Bilateral (mean) | 3.5 |
| Patient follow-up (mean, years) a | |
| Alive or dead, no evidence of disease (n = 20) | 3.3 |
| Alive, with disease (n = 1) | 0.5 |
aNot reported for all cases