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074 EXPERIENCE IN EXTREMITY BONE TUMORS TREATED WITH ENDOPROSTHETIC RECONSTRUCTIONS



Abstract

To present our experience and evaluate functional results on endoprostethic reconstruction of extremities with bone tumors after tumor resection.

47 patients (15 females, 32 males; mean age 55 years; range 13–85 years) who underwent tumor resection and cemented endoprosthetic replacement using the TMTS (Turkish Musculoskeletal Tumor Society) prosthesis for bone tumors of the extremities were analysed. Thirty patients (63.8%; mean age 63 years) had metastatic, 17 patients (36.1%; mean age 53 years) had primary tumors. The femur (70%) was the most frequent tumor location site. Functional assesments of the patients were made using the Musculoskeletal Tumor Society (MSTS) scoring system on the follow-up period. The mean follow-up period was 18 months, being 36.3 months for primary, and 7.3 months for metastatic tumors.

Postoperative complications were seen in 9 patients (19.1%). 22 patients died due to tumoral causes during follow-up period, distant metastases exists in 4 patients, and 21 patients are tumor-free. Survival rates found significantly better in patients with primary tumors. All the patients were able to walk without crutches in the postoperative period. The mean MSTS score was 58.7% in survivors, which was 71% for primary tumors, and 53.1% for metastatic tumors.

Reconstruction with cemented modular endoprostheses is an appropriate surgical alternative in the treatment of extremity tumors, with satisfactory functional results particularly in primary tumors.

Correspondence should be addressed to Anastasia C. Tilentzoglou MD, General Secretary of the Board of Directors of HAOST, 20 A. Fleming Str. (N.Filothei), Gr. 15123 Maroussi, Athens Greece. E-mail: info@eexot.gr