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Showing content with the highest reputation on 08/04/2016 in all areas

  1. Ian Wong

    Knee pain and instability

    Hi all, This radiologic sign is known as the "Double PCL sign." This is diagnostic of a bucket-handle tear of a meniscus, usually the medial meniscus, which is flipped into a position where it lies anterior to the PCL, and mimicks the appearance of a second PCL. In the above image, there is a curvilinear black structure originating from the distal femur, and then extending posteriorly and inferiorly to insert on the posterior aspect of the proximal tibia. This structure is the PCL. Just anterior to the PCL is a second, flatter, curvilinear structure interposed between the distal
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