Gender n (%) |
|
|
|
Male |
26 (86.7) |
27 (90.0) |
0.688 |
Female |
4 (13.3) |
3 (10.0) |
|
Age in years, mean (SD) |
63.8 (11.8) |
63.9 (11.8) |
1.000 |
Main complaint n (%) |
|
|
|
Dysphonia |
24 (80.0) |
24 (80.0) |
0.475 |
Dysphagia |
3 (10.0) |
5 (16.7) |
|
Dysphagia and otalgia |
2 (6.7) |
0 (0.0) |
|
Nasal bleeding |
1 (3.3) |
1 (3.3) |
|
Smoker n (%) |
25 (83.3) |
23 76.7) |
0.519 |
Cause of referral for biopsy n (%) |
|
|
|
Laryngeal mass |
25 (83.3) |
24 (80.0) |
0.736 |
Post cricoid mass |
1 (3.3) |
3 (10.0) |
|
Pharyngeal mass |
3 (10.0) |
2 (6.6) |
|
Vallecular lymph node |
1 (3.3) |
1 (3.3) |
|
Visualization n (%) |
|
|
|
Trans-nasal |
29 (96.7) |
29 (96.7) |
1.000 |
Trans-oral |
1 (3.3) |
1 (3.3) |
|
Anesthesia n (%) |
|
|
|
Trans-cricothyroid injection of xylocaine |
19 (63.3) |
17 (56.7) |
0.835 |
Oral Xylocaine spray anesthesia through long straw |
7 (23.3) |
9 (30.0) |
|
Trans-nasal injection through instrumental channel |
4 (13.3) |
4 (13.3) |
|
Time of office-based biopsy in minutes, mean (SD) |
7.9 (1.6) |
9.3
(3.6) |
0.051 |
Number of obtained biopsies, mean (SD) |
3.7 (1.0) |
3.1 (0.9) |
0.013 |
Size of obtained biopsies n (%) |
|
|
|
0.4 |
1 (3.3) |
3 (10.0) |
0.574 |
0.5 |
19 (63.3) |
17 (56.7) |
|
1.0 |
10 (33.3) |
10 (33.3) |
|
Results of histopathological examination n (%) |
|
|
|
Inflammatory cells (no malignancy) |
1 (3.3) |
17 (56.7) |
<
0.001 |
Squamous cell carcinoma |
24 (80.0) |
6 (20.0) |
|
Dysplasia (not malignant) |
4 (13.3) |
4 (13.3) |
|
Papilloma (no malignancy) |
1 (3.3) |
3 (10.0) |
|