TABLE 3.
Initial Physical Examination Findings, MRI Characteristics, and Arthroscopic Meniscal Root Tear Classification in Pediatric and Adolescent Patients Who Had Meniscal Extrusion on Preliminary MRI Reviewa
| Lateral Meniscal Root Injury With Extrusion (n = 13) |
Medial Meniscal Root Injury With Extrusion (n = 6) |
|
|---|---|---|
| Open physis | 1 | 0 |
| Joint line tenderness | 12 | 5 |
| Effusion upon presentation | 11 | 4 |
| Associated anterior cruciate ligament injury | 11 | 2 |
| Meniscofemoral ligament present | 8 | NA |
| Root tear classification | ||
| Type 1 | 0 | 0 |
| Type 2 | 6 | 1 |
| Type 3 | 2 | 0 |
| Type 4 | 5 | 0 |
| Type 5 | 0 | 5 |
aResults are reported as No. The 3 patients with bicondylar root tears are excluded from this analysis. Due to the differences in incidence, location, and mechanism of injury, categories of lateral meniscal root injury and medial meniscal root injury were reviewed independently. NA, not applicable.