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Die Osteochondrosis dissecans tali stellt eine Sonderform der osteochondralen Läsionen des Talus (OLT) dar und sollte nosologisch von diesen unterschieden werden. Ein Trauma mit nachfolgend radiologisch gesicherter osteochondraler Defektzone wird als traumatische OLT der Osteochondrosis dissecans tali im engeren Sinne gegenübergestellt. Die Läsion stellt(More)
The purpose of the present study was to examine the fate of autologous perichondrial grafts after transplantation into cartilage lesions in weight-bearing joints. Osteochondral lesions were made in the articular surface of knee joints in 36 sheep. The defects were filled with autologous rib perichondrial grafts which were secured by either collagen sponges(More)
Traumata or repetitive microtraumata, malalignment with varus or valgus deviation, or chronic joint instability are discussed in the aetiology of osteoarthritis and osteochondritis dissecans of the knee. Biomechanical factors influencing the patterns of pressure distribution at the articular surface and the subchondral bone are suggested to be most(More)
Acute necrotizing myositis is described in a 22-yr-old man with clinically diagnosed Behçet's disease. Light microscopic examination revealed a prominently granulocytic-monocytic infiltration of the muscle with severe necrosis. An infectious (bacterial, fungal or parasitic) etiology could be excluded by specific staining techniques and by(More)
For the treatment of full-thickness articular cartilage lesions of the knee joint, as a result of trauma or osteochondritis dissecans, a variety of biological reconstruction techniques have been developed. Different studies, some of which were performed as randomised, prospective clinical studies, showed that the autologous chondrocyte transplantation (ACT)(More)
We report on our experiences with internal hemipelvectomy followed by an implantation of a endoprosthetic pelvic replacement (EPR) performed in 15 patients over a period of 15 years. Our primary aim was to determine the indications for this procedure because of its high rate of complications. Due to the malignant character of the disease and the(More)
Osteochondritis dissecans (O.d.) of the knee is a common disease, but the aetiological factors are still controversial. With a follow-up examination of 97 surgically treated patients (109 lesions) we looked for the influence of preoperative sports activities as a possible aetiological factor. Most of the patients complained first symptoms at puberty age(More)
We report our clinical experiences in the diagnosis and treatment of four patients with synovial hemangiomata. Synovial hemangiomata are rare causes of recurrent, nonspecific joint complaints and occur most often at the knee joint. Nontraumatic joint swelling combined with recurrent, possibly hemorrhagic joint effusions must be considered signs of a(More)
The mechanical stabilizing effect of nine different orthotic devices on physiological and pathological plantar flexion/dorsal extension and horizontal rotation of the ankle joint subjected to artificial lateral ligament lesions was investigated in 20 cadaveric ankle joints under standardized conditions using an experimental apparatus. All of the braces(More)
In a longitudinal study, we performed a second follow-up examination on patients suffering from osteochondritis dissecans at the femoral condyles 10 years after a first follow-up, which had been performed 10 years after surgical treatment. Results (clinical score; radiological signs of OA) were analysed depending on the stage of the epiphyseal plate at the(More)