Background & Aims: A study was carried out to find out the incidence of orthopedic complications in patients with renal transplantation in Urmia medical center of renal transplantation.

Materials & Methods: 500 patients with renal transplantation referred to nephrology clinic were investigated for any orthopedic complain including pain, deformity, fracture, limitation of motion, history of acute bone pain, and musculoskeletal infections. Patients who had one of these sign or symptoms referred to orthopedic clinic and were rexamed by an orthopedic surgeon and paraclinical

Investigations were performed.

Results: Three avascular necrosis of hip, one acute bone pain syndrome and two fracture was found. There were no major or multiple fractures among patients.One patient had osteomyelitis of phalanx

Conclusion: The incidence of avascular necrosis in Urmia is less than literature.Little attention has been paid for acute bone pain by orthopedic surgeons and nephrologists. Fracture and infection was not a major problem in our patients