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Table 6 Features on MRI of the injured knee of 50 patients

From: A novel test for assessment of anterolateral rotatory instability of the knee: the tibial internal rotation test (TIR test)

ACL

 intact

4 (8%)

 contusion

2 (4%)

 partial rupture

9 (18%)

 rupture

35 (70%)

PCL

 intact

46 (92%)

 contusion

1 (2%)

 buckling

3 (6%)

LCL

 intact

44 (88%)

 sprain

5 (10%)

 partial rupture

1 (2%)

MCL

 intact

38 (76%)

 sprain

7 (14%)

 partial rupture

1 (2%)

 rupture

4 (8%)

lesion of the lateral meniscus

13 (26%)

lesion of the medial meniscus

20 (40%)

ALL

 visualized

36 (72%)

  normal

29 (80.6%)

  abnormal

7 (19.4%)

 non visualized

8 (16%)

 no assessment possible

6 (12%)

edema surrounding anterolateral structuresa

26 (52%)

  1. aSlight edema surrounding at least one of the following structures: anterolateral capsule, LCL, ALL and/or ITB