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To determine the relationship between the midpoints connecting the tibial attachments of the anterior and posterior cruciate ligament (ACL and PCL, APCL line) and the transepicondylar axis (TEA) in normal healthy Chinese, as well as the comparison with other rotational lines.Left knees of 17 male and 15 female healthy Chinese volunteers were scanned by magnetic resonance imaging (MRI) and computer...
In a group of patients with severe varus deformity, this study used the gap-balancing technique and evaluated component rotation by using postoperative CT scans in order to determine whether a favorable axis could be achieved.Thirty-one patients (34 knees) with varus deformity of >15°, and 31 age-matched and sex-matched patients (36 knees) with varus deformity of ≤15° were enrolled. The transepicondylar...
Extra-articular vertical dislocation is very rare. It occurs when the patella is forced crossing the lateral femoral trochlear surface, and rotated simultaneously along its longitudinal axis at about 90°, resulting in a wedged dislocation against lateral condyle. Reduction has been reported to require general anesthesia and an open procedure. We report a 19-year-old boy with extra-articular patellar...
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