Delayed Reduction of Irreducible Chronic Posterolateral Dislocation of the Knee with Buttonholing of the Medial Femoral Condyle |
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Authors: | Nurzat Elmali Nevzat Elmali Irfan Esenkaya and Ahmet Harma |
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Affiliation: | (1) Orthopedics and Traumatology, In?nü University, Malatya, Turkey;(2) General Surgery, Okmeydani Social Security Hospital, Istanbul, Turkey;(3) Associate Professor, Orthopedics and Traumatology, In?nü University, Turgut Ozal Medical Center, 44069 Malatya, Turkey |
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Abstract: | Abstract Traumatic knee dislocations are relatively rare and almost always respond to closed reduction; however, a small percentage
of knee dislocations are irreducible and in these cases open reduction is frequently required. A 65-year-old man with an unreduced
posterolateral knee dislocation with laterally dislocated patella was seen 3 weeks after a motor vehicle accident. Medial
femoral condyle was found buttonholed through the medial capsule together with the medial collateral ligament and lying in
the medial joint space that allowed posterior rotary dislocation of the joint. Both cruciate ligaments and medial meniscus
were torn. There was no evidence of any vascular or nerve injury. Reduction was accomplished by removal of the capsuloligamentous
structures which were incarcerated in the trochlea and intercondylar notch and by excision of meniscal tear. Following posterior
cruciate ligament reconstruction with patellar tendon autograft, lateral patellar release, vastus medialis advancement, and
gracilis transfer were done. |
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Keywords: | Lower-limb injuries Knee dislocation |
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