Abstract
In the period 1984-1991, 33 lower limb reconstructions were performed with an uncemented Kotz modular femur tibia reconstruction (KMFTR) prosthesis after resection of 32 malignant bone tumors and 1 benign giant cell tumors. Tumor localization was proximal femur in 12, distal femur in 17, and proximal tibia in 4. The mean age of the patients was 38 years. 28 patients with a minimum follow-up of 1 year were studied after 3 (1-8) years. 7 patients were reoperated because of complications. Good or excellent results were obtained in 6 of the 10 proximal and 13 of the 14 distal femur reconstructions. In 2 of the 4 patients undergoing combined distal femur and proximal tibia resection, a deep infection developed, and above-knee amputation was performed. One local recurrence occurred after proximal femur resection.
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