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对２１ 例嗜酸性肉芽肿行放射治疗，病灶经放疗后有５４ ．８４ ％ 可完全消退，其中３ 例放射治疗剂量小于３０ Ｇｙ／（３周） 病灶就完全消退。４５ ．１６ ％ 残留但在３ 个月内逐渐消退。治疗失败或复发的病灶再次放疗，也能取得满意疗效。放疗剂量选择在３０ ～４０ Ｇｙ／３ ～４ 周为佳。外周血嗜酸细胞计数与肿块消失呈正相关性，故其计数变化可判断预后复发与多发。
Radiotherapy was performed on 21 cases of eosinophilic granuloma, and the lesions were treated with radiotherapy. 84% can be completely regressed, of which 3 radiation therapy doses less than 30 Gy/(3 weeks) completely resolved the lesion. 45 . 16% remained but gradually subsided within 3 months. Treatment of failed or recurring lesions with radiotherapy can also achieve satisfactory results. The dose of radiation therapy is preferably 30-40 Gy/3 to 4 weeks. Peripheral blood eosinophil counts are positively correlated with disappearance of masses, so changes in their counts can be used to determine prognosis recurrence and multiple occurrences.