Table 1.
Distribution of histological categories in the benign lesions
| Histological category | Number of cases | Percentage of benign lesions | Percentage of total lesions |
|---|---|---|---|
| Adenoma |
31 |
43.1% |
33.0% |
| Chronic inflammation |
2 |
2.8% |
2.1% |
| Fibrosis and hemorrhage |
6 |
8.3% |
6.4% |
| Ganglioneuroblastoma |
1 |
1.4% |
1.1% |
| Ganglioneuroma |
1 |
1.4% |
1.1% |
| Hyperplasia |
4 |
5.6% |
4.3% |
| Lipoma |
1 |
1.4% |
1.1% |
| Schwannoma |
1 |
1.4% |
1.1% |
| Pheochromocytoma |
21 |
29.3% |
22.3% |
| Cyst |
4 |
5.6% |
4.3% |
| Total | 72 | 100% | 76.6% |