The lumbosacral area is one of the most frequently operated spine regions because of the prevalence of disease in that area. Although a lumbosacral soft tissue defect after surgery due to inflammation and other causes is rare, such soft tissue defects are difficult to treat. Therefore, suitable methods for treating lumbosacral soft tissue defects are necessary. Therefore, this study introduces a case-treated with a transverse lumbosacral rotational flap.
Posterior instability after a posterior ligament substituted total knee replacement is considered impossible due to the cam and post mechanism. Therefore, it has not been considered easily as a problem necessitating revision surgery. We report two cases of posterior instability after a fixed bearing posterior cruciate ligament substituted total knee replacement with a review of relevant literature.
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