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American Journal of Roentgenology, Vol 164, 945-949, Copyright © 1995 by American Roentgen Ray Society
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R Towbin, R Kaye, MP Meza, AN Pollock, K Yaw and M Moreland
Department of Radiology, Children's Hospital of Pittsburgh, PA 15213, USA.
OBJECTIVE. We describe a coaxial technique for percutaneous, CT-guided removal of osteoid osteoma in children. SUBJECTS AND METHODS. The study included eight children aged 3 years to 15 years 9 months who had signs and symptoms of osteoid osteoma. The diagnoses were confirmed by CT scans. Seven of nine lesions were removed manually with a coaxial technique and a trephine. Power tools were added to the technique in the other two cases. Removal of the nidus was confirmed by postprocedural CT scans and by histologic examination. RESULTS. All CT- guided excisions were technically successful, and only one minor complication occurred. One recurrence at 13 months was successfully treated percutaneously. CONCLUSION. CT-guided coaxial removal of osteoid osteoma is a safe and effective treatment. Increasing experience and the use of power tools in selected cases helps to shorten the procedure.
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