1. A method of treating chronic acromio-clavicular dislocation by transfer of the coracoid process to the clavicle is described. 2. This has been successful when other procedures have failed. 3. Three patients have been reviewed a long time after this operation and two others after a short time. All obtained a good result.
1. Three patients are reported in whom a sudden acute internal derangement of the knee was caused by torsion of a pedunculated portion of the infrapatellar fat pad. 2. The symptoms and signs are described. 3. The pathological changes and the pathogenesis are discussed.