Osteoporosis of the hip is a rare complication of pregnancy, the diagnosis of which can only be determined by radiologic means. Differentiation between osteonecrosis and osteoporosis remains problematic in some cases. Magnetic resonance imaging was reported as useful for the diagnosis of osteoporosis. Treatment of osteoporosis of the hip in pregnancy should be conservative including physical therapy, restricted weight bearing and analgetic therapy. We report an unusual case of bilateral transient osteoporosis of the hip in pregnancy.

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The bone-patellar tendon-bone graft (BTPB) was the most commonly used graft for many years. The scientific database is more complete than for every other graft option. This review article presents the surgical techniques of ACL reconstruction with the BPTB graft, aspects of rehabilitation, clinical results, and postoperative problems with special emphasis on donor site morbidity.

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