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3D打印技术,英文名称为three-dimensional printing technology,是指运用计算机将目标物体数字化,然后通过3D打印机将某些特定材料采用分层加工、叠加成型的打印方式来快速构成物体的技术。该技术能简便快捷地制造出某些结构复杂的物体,大大提高了生产效率和精确度,同时节省了生产材料和人力资源。3D打印技术因其个体化制作、精确度高、操作简单等特点,在肿瘤放疗领域被广泛应用,如在乳腺癌的放疗中应用3D打印的组织补偿物来改善胸壁皮肤剂量等。相信3D打印技术与放疗的结合会使放疗的精确度和疗效得到显著提升。笔者就3D打印技术在肿瘤放疗中的应用及前景综述如下。
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