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KMID : 0191120100250121742
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Journal of Korean Medical Science
2010 Volume.25 No. 12 p.1742 ~ p.1747
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A Long Term Results of External Beam Radiation Therapy in Hemophilic Arthropathy of the Ankle in Children
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Kong Moon-Kyoo
Kang Jin-Oh
Choi Jin-Hyun
Park Seo-Hyun
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Abstract
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Bleeding into joint space is critical to develop hemophilic arthropathy. To reduce the frequency of bleeding in the ankle joint of children with hemophilic arthropathy, low dose external beam irradiation was performed for 37 patients. Among them, 35 patients followed-up for longer than 1 yr (median 87 months) were enrolled for analysis. The average number of bleedings per month was 3.6 during one year prior to radiation therapy. After radiation therapy, it was decreased to 2.1 during the first year, after then it was maintained in the range of 1.0 to 1.5 until the tenth year. The bleeding frequency was reduced to 42% at the first year and it was maintained in the range of 58% to 73% from the second to the tenth year. Especially the patients who had 3 or more bleedings per month, and who had MRI score more than 3 showed significant decreases. During the follow-up period, growth disturbances and secondary malignancies were not found. External beam radiotherapy can be considered for the hemophilic patients with surgical or isotope therapies are not amenable.
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KEYWORD
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Hemophilia, Arthropathy, Radiotherapy
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