Frequency

Percent (%)

None

4

10.5

Medial meniscal lesion

13

34.2

Lateral Collateral Ligament lesion

5

13.1

Patellar extensor lesion

3

5.3

Other bone contusions

7

7.9

Intra-articular effusion

27

71

Articular cyst

1

2.6

Posterior cruciate ligament lesion

5

13.1