Table 3.
Histological follow-up of Milan system diagnostic categories
| Category | Cat 1 | Cat 2 | Cat 3 | Cat 4a | Cat 4b | Cat 5 | Cat 6 | Total |
|---|---|---|---|---|---|---|---|---|
| No. of cases | 18 (6.1%) | 112 (38.2%) | 08 (2.7%) | 98 (33.4%) | 06 (2.0%) | 07 (2.4%) | 44 (15%) | 293 |
| No. of cases with histological follow-up | 04 (2.3%) | 20 (11.6%) | 05 (2.9%) | 90 (52.3%) | 06 (3.5%) | 07 (4.1%) | 40 (23.2%) | 172 (58.7%) |
| Benign: non-neoplastic | 2 (50%) | 13 (65%) | - | 01 (1.1%) | 01 (16.6%) | - | - | 17 (9.8%) |
| Benign: neoplastic | 01 (25%) | 06 (30%) | 04 (80%) | 85 (94.4%) | 03 (50%) | 01 (14.2%) | 01 (2.5%) | 101 (58.7%) |
| Malignant | 01 (25%) | 01 (5%) | 01 (20%) | 01 (4.4%) | 02 (33.3%) | 06 (85.7%) | 39 (97.5%) | 54 (31.4%) |
| Risk of malignancy | 01/04 (25%) | 01/20 (5%) | 01/05 (20%) | 04/90 (4.4%) | 02/06 (33.3%) | 06/07 (85.7%) | 39/40 (97.5%) | 54/172 (31.4%) |