Table 1. Demographic, pathological, and prior treatment information.
| Variables | Total |
|---|---|
| Eligible patients, n (%) | 20 (100) |
| Age, mean (SD) | 58 (16) |
| Sex, n (%) | |
| Male | 15 (75) |
| Female | 5 (25) |
| Occupational hazard, n (%) | |
| Wood dust | 6 (30) |
| Chromium and nickel | 2 (10) |
| Tannins | 1 (5) |
| Presenting symptom, n (%) | |
| Nasal stenosis | 13 (65) |
| Epistaxis | 2 (10) |
| Localized pain | 2 (10) |
| Painless swelling | 1 (5) |
| Reduced vision | 1 (5) |
| Distant metastasis | 1 (5) |
| Histology, n (%) | |
| ITAC | 13 (65) |
| NITAC, low grade | 4 (20) |
| NITAC, high grade | 3 (15) |
| Grade of differentiation, n (%) | |
| Low | 7 (35) |
| Intermediate | 8 (40) |
| High | 5 (25) |
| T stage | |
| T4 | 11 (55) |
| T3 | 4 (20) |
| T2 | 3 (15) |
| T1 | 2 (10) |
| Tumor size (mm), mean (SD) | 37 (11) |
| Effect on adjacent anatomical structures, n (%) | |
| Orbita | 8 (40) |
| Meninges | 5 (25) |
| Brain | 1 (5) |
| Bone (microscopic invasion) | 10 (50) |
| Nerve (microscopic invasion) | 5 (25) |
| Vessel (microscopic invasion) | 3 (15) |
Abbreviations: ITAC, intestinal adenocarcinoma; NITAC, nonintestinal adenocarcinoma; SD, standard deviation.