Aggressive giant cell tumors are rare at the distal ulna. We report the results of two patients who were treated surgically using a distal ulna prosthesis stabilized by ligament reconstruction with the brachioradialis tendon. At the maximum follow-up of 18months, the two patients were satisfied. Joint range of motion and functional scores were improved. X-rays showed no recurrence or subluxation; however gradual impingement of the ulnar notch of radius by the prosthesis was visible. Our technique seems to be a viable alternative when compared with the treatments described in other published case reports.
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