近年来,外周血淋巴细胞微核的测定作为评定染色体损伤的指标已用于肿瘤患者放疗敏感性的测定及放射防护等领域。我们对宫颈癌患者放疗前后微核率的变化进行了观察,报道如下。材料和方法病例组:系江苏省肿瘤防治所住院病人,宫颈鳞状上皮癌Ⅱa～Ⅱb 患者20例,年龄38～65岁,均接受常规放射治疗,并于放疗前和疗程结束后分别取外周血培养,观察淋巴细胞微 In recent years, the determination of peripheral blood lymphocytes micronucleus as an indicator of chromosomal damage has been used in the determination of radiosensitivity of cancer patients and radioprotection. We cervical cancer patients before and after radiotherapy micronucleus rate changes were observed, reported as follows. Materials and Methods Case Group: Jiangsu Provincial Cancer Institute inpatients, squamous cell carcinoma of the cervix Ⅱ a ~ Ⅱ b 20 patients, aged 38 to 65 years, were receiving conventional radiotherapy and radiotherapy before and after the treatment were taken from the peripheral Blood culture, observe lymphocyte micro