Objective The purpose of this study was to use MR Imaging as a method to evaluate the tibial tunnel following bone-patellar tendon-bone ACL reconstruction with autografts or allografts.

• 目的利用MRI比较自体与同种异体骨-髌腱-骨(bone-patellar tendon-bone;B-PT-B)重建前交叉韧带(anterior cruciate ligament;ACL)术后胫骨骨隧道的变化过程。