PMC5340947_01
Dislocation of the left knee.
CRIEM2017-9745025.001.jpg
PMC5340947_01_CRIEM2017-9745025.001.jpg
fig1
Initial inspection revealed an abnormal left knee contour characterized by an anterolateral prominence below the knee (Figure 1).
Anteroposterior and lateral radiographs showing anterolateral dislocation of the left knee.
CRIEM2017-9745025.002.jpg
PMC5340947_01_CRIEM2017-9745025.002.jpg
fig2
Radiography confirmed the diagnosis of a rotatory anterolateral knee dislocation without fracture (Figure 2).
(a) MRI showing a torn anterior cruciate ligament. (b) MRI showing medial collateral ligament injury and displacement of the lateral meniscus.
CRIEM2017-9745025.003.jpg
PMC5340947_01_CRIEM2017-9745025.003.jpg
fig3
An in-patient magnetic resonance imaging study found a bucket handle tear of the lateral meniscus and medial collateral ligament (MCL) and anterior cruciate ligament (ACL) tears (Figure 3).