Abstract
Among the traumatic patellar dislocations, superior dislocation of patella without patellar ligament injury is very rare. We present in this article, a case of superior dislocation of the patella trapped by interlocked osteophytes in a 38-year-old female who had concurrent bilateral knee arthrosis. Succesful reduction was achieved by closed manipulation without anesthesia. Neither redislocation nor symptoms of instability was seen after 36 months of follow-up, although some progression of arthritis was observed. A new classification including all traumatic patellar dislocation was also proposed.
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The authors express their thanks to Barıs Caglar MD for medical illustrations.
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Ofluoglu, O., Yasmin, D., Donthineni, R. et al. Superior dislocation of the patella with early onset patellofemoral arthritis: a case report and literature review. Knee Surg Sports Traumatol Arthrosc 14, 350–355 (2006). https://doi.org/10.1007/s00167-005-0670-5
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DOI: https://doi.org/10.1007/s00167-005-0670-5