One Turn Too Many

While running the Sydney Marathon yesterday, George Tush (45) strained his knee on the Harbor Bridge, tripping over one of its security guards. Now it is swollen and painful and he is very worried. Paul looks at the radiograph of the knee in two projections first (Fig. 8.64a). It looks rather normal to him. The MRI examination of the knee shows the whole extent of the injury (Fig. 8.64b).

a Normal anterior cruciate a Normal anterior cruciate

Fig. 8.66a Observe this healthy knee joint with an intact anterior cruciate ligament. b The Tl-weighted MRsection along the axis of the anterior cruciate ligament should display the low-signal fibers of the ligament running from superior-posterior to inferior-anterior. Instead we see only a homogeneous

Fig. 8.66a Observe this healthy knee joint with an intact anterior cruciate ligament. b The Tl-weighted MRsection along the axis of the anterior cruciate ligament should display the low-signal fibers of the ligament running from superior-posterior to inferior-anterior. Instead we see only a homogeneous

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