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Subject Area

Orthopedic Surgery

Article Type

Original Study

Abstract

Objective To evaluate the functional and oncological outcomes after extended curettage of giant cell tumor (GCT) around the knee joint. Background GCT is a relatively common benign bone tumor. The peak incidence is at the middle age. It usually involves the ends of long bones around the knee joint. Although many patients usually present with mild to moderate symptoms, the effect of the GCT on individual well-being can be significant. Patients and methods This is a prospective and retrospective nonrandomized study that included 20 patients with GCT around the knee joint. Patients were managed surgically with extended curettage with or without internal fixation. High-speed burr and bone cement were used in all cases. Plate and screws were used in eight patients (40% of cases), two (10%) patients were augmented with rush pins, and one (5%) patient was augmented with K-wires. Complications and oncological and functional outcomes were evaluated and analyzed. Results A total of 17 (85%) patients had no complications. One (5%) case had mild knee osteoarthritis. One (5%) case had a recurrence. One (5%) case had a soft tissue recurrence with osteoarthritis. No cases had lung metastasis. The mean total musculoskeletal tumor society score preoperatively was 20.4 ± 2.58 and postoperatively was 28.9 ± 1.17. The mean follow-up period was 25.75 ± 15.47 months. Conclusion Surgical treatment of GCT with extended curettage using high-speed burr and bone cement as adjuvant improves the patient's functional outcome and decreases GCT recurrence rate.

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