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Objective To introduce one operation method applied with USS (universal spine system) screw rods system for the reconstruction of the stability of the lumbar sacrum after resection of sacrum tumor and discuss indications and feasibility of the operation method.Methods 5 patients with sacrum tumor had accepted the clinical treatment of USS.Resect the sacrum tumor,insert pedicle screw into the normal pedicles (L3 or L4 or L5)above the region of laminectomy routinely,fix lower screw in the iliac plane,put metal rods,plant bone and put transverse links. Results There was no recurrence of sacrum tumor by MRI examination after 1～12 months follow up.The preoperative pain of lumbar sacrum joint and roots of the spinal nerves relieved significantly.The patients turned to normal weight loading and movement.There were no fractures of the screw and rods and motion of the screw.X ray examination hasn’t found increase of screw passage,pelvic decrease, and L5 sinking.Conclusion The operation method applied with USS screw rods system for the reconstruction of the stability of the lumbar sacrum can reduce postoperative pain,promote early postoperative activity,and prevent pathologic fracture and paraplegia.
Objective To introduce one operation method applied with USS (universal spine system) screw rods system for the reconstruction of the stability of the lumbar sacrum after resection of sacrum tumor and discuss indications and feasibility of the operation method. Methods 5 patients with sacrum tumor had accepted the clinical treatment of USS.Resect the sacrum tumor, insert pedicle screw into the normal pedicles (L3 or L4 or L5) above the region of laminectomy routinely, fix lower screw in the iliac plane, put metal rods, plant bone and put transverse links Results There was no recurrence of sacrum tumor by MRI examination after 1 ~ 12 months follow up. The preoperative pain of lumbar sacrum joint and roots of the spinal nerves relieved significantly. The patients turned to normal weight loading and movement. Here were no fractures of the screw and rods and motion of the screw. X ray examination has not found increase of screw passage, pelvic decrease, and L5 sinking. Confluence The oper ation method applied with USS screw rods system for the reconstruction of the stability of the lumbar sacrum can reduce postoperative pain, promote early postoperative activity, and prevent pathologic fracture and paraplegia.