RECONSTRUCTION OF THE PELVIC RING IN PATIENTS WITH TUMORS OF THE SACROILIAC JOINT

The paper presents the experience in surgical treatment of 10 patients with tumors of the sacroiliac joint. All patients underwent reconstruction of the pelvic ring with polyaxial screws and titanium rods. The mean age of the patients was 39 years (23 to 59). There were 6 (60%) patients with chondrosarcoma, 1 (10%) with fibrosarcoma, 1 (10%) with Ewing’s sarcoma, 1 (10%) with metastasis from kidney cancer and 1 (10%) with metastasis from osteosarcoma. The mean length of surgery was 4.2 hours (3 to 6). The average volume of intraoperative blood loss was 2 800 ml (1500 to 5000 ml). Microscopically positive resection margin (R1) was revealed in 2 (20 %) patients. The median follow-up was 8.5 months (2 to 40). All patients are alive with no evidence of disease progression. Postoperative complications were observed in 4 (40 %) patients. The mean Musculoskeletal Tumor Society score at last available follow-up was 70 % (62 to 92 %).