近年来,有关职业性慢性放射性皮炎恶性变屡有报道,本文报告2例。例1,男,62岁,骨科医生。自1958年～1983年经常在X线机下做整骨操作,使用机器陈旧,防护设备差。为便于操作,常不戴铅手套,致使双手受到较大剂量的照射。1971年以来双手指背出现多个赘生物,脱落后反复增 In recent years, there have been repeated reports of malignant transformation of occupational chronic radiation dermatitis. Two cases have been reported in this paper. Example 1, male, 62 years old, orthopedic surgeon. From 1958 to 1983, osteotomy operations were often performed under X-ray machines, using outdated machines and poor protective equipment. In order to facilitate the operation, lead gloves are often not used, causing the hands to be exposed to higher doses. Since 1971, multiple vegetations have appeared on the backs of two fingers, which have repeatedly increased after shedding.