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Osteochondritis Dissecans of the Knee

Sonographically Guided Percutaneous Drilling

Department of Radiology, Virgen de la Arrixaca University Hospital, El Palmar, Murcia, Spain.

Address correspondence to Juan D. Berná-Serna, MD, Department of Radiology, Virgen de la Arrixaca University Hospital, 30120 El Palmar, Murcia, Spain., E-mail: jdberna{at}um.es

Objective. The purpose of this study was to present a procedure for sonographically guided percutaneous drilling in the treatment of a case of osteochondritis dissecans (OD) of the knee. Methods. A 14-year-old boy had OD of the external femoral condyle. Conventional radiography, magnetic resonance imaging, and sonography revealed the osteochondral lesion. Results. This study showed the utility of sonography both in the treatment of OD through percutaneous drilling and in follow-up. Conclusions. On the basis of the good results obtained in the case described here, it is thought that sonographically guided percutaneous drilling may be a good alternative to arthroscopic drilling in cases of early OD lesions without displacement of the fragment.

Key Words: knee • magnetic resonance imaging • osteochondritis dissecans • percutaneous drilling • sonography

Abbreviations: MR, magnetic resonance • OD, osteochondritis dissecans • TE, echo time • TR, repetition time