Table 1.
Histological findings in the tympanic bulla of rats after one month of the experiment (T1).
| Histological findings | Muc. Th. | TM. Th. | LMN | PMN | Neoangio | Fibrosis |
|---|---|---|---|---|---|---|
| BP (n = 7) | ||||||
| Absent | 1 (14.28%) | 3 (42.86%) | – | – | 1 (14.28%) | – |
| Light | 3 (42.86%) | 4 (57.14%) | 1 (14.28%) | 1 (14.28%) | 6 (85.71%) | 5 (71.43%) |
| Moderate | – | – | 4 (57.14%) | 3 (42.86%) | – | 2 (28.57%) |
| Intense | 3 (42.86%) | – | 2 (28.57%) | 3 (42.86%) | – | – |
| GF (n = 5) | ||||||
| Absent | 2 (40.0%) | 3 (60.0%) | – | 5 (100%) | – | – |
| Light | 1 (20.0%) | – | 4 (80.0%) | – | 4 (80.0%) | 1 (20.0%) |
| Moderate | 1 (20.0%) | 1 (20.0%) | 1 (20.0%) | – | 1 (20.0%) | 3 (60.0%) |
| Intense | 1 (20.0%) | 1 (20.0%) | – | – | – | 1 (20.0%) |
BP, biopolymer; GF, Gelfoam®; Muc.Th., mucosal thickening; TM.Th., tympanic membrane thickening; LMN, lymphmononuclear infiltrate; PMN, polymorphonuclear infiltrate; Neoangio, neoangiogenesis.