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J Korean Soc Ther Radiol > Volume 4(1); 1986 > Article
Journal of the Korean Society for Therapeutic Radiology 1986;4(1): 75-80.
Postoperative Irradiation for Prevention of Heterotopic Bone Formation after Total Hip Replacement Arthroplasty
Woo Yoon Park, Il Han Kim, Sung Whan Ha, Charn Il Park
Department of Therapeutic Radiology, College of Medicine, Seoul National University, Korea.
ABSTRACT
Heterotopic bone formation is a complication which occurs in 0.6 to 61.7% of patients after total hip replacement arthroplasty. We reviewed 4 patients (8 hips) who received postoperative irradiation on their hips for prevention of heterotopic bone formation in the Department of Therapeutic Radiology, Seoul National University Hospital from January 1981 through August 1985. Radiation therapy was started 6 to 10 days postoperatively with the dosage of 2,000 cGy given in 10 fractions. As a result, 7 hips had Grade 0 and 1 hip had Grade 1 heterotopic ossification according to modified Brooker system. Our result and review of the literatures strongly support that the postoperative radiotherapy is effective for prevention of heterotopic bone formation in high risk group.
Key Words: Total hip replacement arthroplasty, Heterotopic bone formation, Postoperative irradiation
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