Table 4.
Capsule Histology after Long-Term Implantation (8 months onward)
| Lesion type | PE | PU | PVC | PMMA | Si | Ti | NiCr | Al2O3 |
|---|---|---|---|---|---|---|---|---|
| Fibrous capsule | 8 (25) | 7 (33) | 8 (44) | 6 (33) | 3 (19) | 21 (48) | 10 (30) | 8 (50) |
| Proliferative lesion | 4 (13) | 3 (14) | 2 (11) | 0 (0) | 2 (13) | 4 (9) | 5 (15) | 3 (19) |
| Proliferative lesion, possibly preneoplastic | 4 (13) | 5 (24) | 2 (11) | 3 (17) | 4 (25) | 4 (9) | 3 (9) | 1 (6) |
| Preneoplastic lesion | 4 (13) | 3 (14) | 4 (22) | 7 (39) | 4 (25) | 8 (18) | 2 (6) | 2 (13) |
| Sarcoma | 11 (34) | 3 (14) | 1 (6) | 2 (11) | 1 (6) | 4 (9) | 8 (24) | 1 (6) |
| Number of capsules | 32 | 21 | 18 | 18 | 16 | 44 | 33 | 16 |
Absolute values are presented along with percentage of cases with specific lesions (in parentheses).