Table 1.
Classification of the meniscal root injuries.
| Classification | Characteristics | Frequency |
|---|---|---|
| Type 1 | Stable partial lesion within 9 mm of the center of the root fixation | 7 |
| Type 2 | Complete radial lesion within 9 mm of the center of the root fixation | 67.6 |
| 2A | 0–3 mm from the center of the root fixation | 38 |
| 2B | 3–6 mm from the center of the root fixation | 16.9 |
| 2C | 6–9 mm from the center of the root fixation | 12.7 |
| Type 3 | Bucket handle injury with complete displacement within 9 mm of the root fixation | 5.6 |
| Type 4 | Complex oblique pattern within 9 mm of the center of the root fixation | 9.9 |
| Type 5 | Avulsion fracture of the meniscal root of the tibial plateau | 9.9 |