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Computed Tomographic Findings of Osteochondritis Dissecans Following Legg-Calvé-Perthes Disease

Rowe, Sung Man M.D.; Chung, Jae Yoon M.D.; Moon, Eun Sun M.D.; Yoon, Taek Rim M.D.; Jung, Sung Taek M.D.; Lee, Keun Bae M.D.

Journal of Pediatric Orthopaedics: May/June 2003 - Volume 23 - Issue 3 - pp 356-362
Hip

Routine radiographs in the follow-up study of Legg-Calvé-Perthes disease patient have generally been plain radiographs of the anteroposterior and frog-leg lateral view. Recently, several reports have found that osteochondritis dissecans can develop in 2% to 4% of Legg-Calvé-Perthes disease patients. Early roentgenographic recognition of this lesion is very important for its long-term prognosis. However, follow-up examination of the lesion using plain radiography is sometimes not satisfactory in terms of delineating the lesion. Accordingly, the authors performed computed tomography and three-dimensional reconstruction in 13 hips with osteochondritis dissecans following Legg-Calvé-Perthes disease and were able to obtain more precise information on the extent of the involvement, the degree of healing, the stability of the osteochondral fragment, and the location of the dislocated loose body.

Study conducted at Chonnam National University Hospital, Gwangju, Korea

From Department of Orthopedics, Chonnam National University Hospital, Gwangju, Korea.

Address correspondence and reprint requests to Sung Man Rowe, Department of Orthopedics, Chonnam National University Hospital, Hakdong 8, Gwangju, Korea (e-mail: smrowe@chonnam.ac.kr).

None of the authors received financial support for this study.

© 2003 by Lippincott Williams & Wilkins