- Arthroscopic Reduction of Irreducible Posterolateral Knee Dislocation with Interposition of the Vastus Medialis: A Case Report
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Jae Ang Sim, Byung Kag Kim, Beom Koo Lee, Yong Cheol Yoon, Eun Suk Choi
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J Trauma Inj. 2016;29(4):167-171. Published online December 31, 2016
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DOI: https://doi.org/10.20408/jti.2016.29.4.167
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 Abstract
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- Irreducible traumatic knee dislocation is rare. The knee dislocation is classified depending on the incarcerated structures. Complete reduction is achieved by extracting the incarcerated structure. Several reports introduce the reduction of irreducible traumatic knee dislocation by open surgery or arthroscopy. This case describes irreducible posterolateral knee dislocation with interposition of the vastus medialis. Closed reduction failed in the emergency room, and complete reduction was attained by arthroscopically sectioning the muscle and fascia of the vastus medialis in the intercondylar notch.
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Summary
- Natural History of Spontaneous Healing of a Traumatic Radial Tear of the Lateral Meniscus: A Case Report
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Jae Ang Sim, Yong Cheol Yoon, Sheen Woo Lee, Beom Koo Lee
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J Trauma Inj. 2015;28(1):21-26. Published online March 30, 2015
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DOI: https://doi.org/10.20408/jti.2015.28.1.21
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Abstract
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- Complete radial tears of the lateral meniscus are relatively rare. Once torn, the injury can be debilitating due to disruption of the circumferential fibers of the meniscus. We experienced a case of a lateral meniscus with a complete radial tear at the midbody, where the two torn ends were displaced more than 1 cm and could not be approximated during arthroscopy. Thirteen months after surgery, follow-up MRI and second-look arthroscopic findings showed that the complete radial tear has healed spontaneously. However, twenty nine months after the second-look arthroscopy, the patient complained of severe knee pain during exercise. On follow-up MRI, increased sclerosis and newly developed bone marrow edema were observed in the lateral femoral condyle, compared with previous MR images. Finally, we performed meniscal allograft transplantation due to the defective properties of the completely healed lateral meniscus.
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