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3-Dimensional computed tomography scan reconstruction of a left tibial plateau axial view, with reference standard grid superimposed. The position of the center of the tunnel was measured from the anterior border and from the medial border in millimeters (17 and 40 mm, respectively, in this example), then expressed as a percentage of the total anteroposterior and mediolateral dimension of the grid (53 and 76 mm, respectively; therefore 32% and 52% in this example).
