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knee dislocation
Etiology:
- trauma
Clinical manifestations:
- severe knee pain
Radiology:
- anteroposterior radiographs of the knee
Complications:
- damage to the popliteal artery, which can result in ischemia
- disruption of the anterior cruciate ligament, posterior cruciate ligament & medial collateral ligaments
- peroneal nerve injury
Differential diagnosis:
- patella dislocation
- patients often able to correct dislocation themselves
Management:
- reduction of knee dislocation with conscious sedation (ketamine)
- external fixation of the knee
- repair of the knee ligaments*
* case report [1]
Related
patella dislocation
General
joint dislocation
References
- Ganti L, Hanna A.
Images in Clinical Medicine. Lateral Knee Dislocation.
N Engl J Med 2019; 381:2051. Nov 21
PMID: 31747729
https://www.nejm.org/doi/full/10.1056/NEJMicm1904635