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为进一步研究癌症患者血清硒水平与肿瘤组织学类型及解剖部位的关系,作者应用中子活化分析法测定了110例癌症患者,18例健康个体和34例非肿瘤住院患者的血清硒水平。结果发现,癌症患者每克干血清含硒平均为1.268±0.034微克,健康个体平均值为1.481±0.073微克,非肿瘤住院患者为1.493±0.064微克,癌症患者与健康个体的血清硒水平有显著差异(P=0.02～0.01)。根据原发肿瘤的不同组织学类型和解剖部位,将110例患者分成5类,其中肺癌37例,口腔喉部癌24例,胃肠道癌18例,泌尿生殖系癌14例,其它部位癌17
To further investigate the relationship between serum selenium levels and the histological types and anatomic sites of cancer patients, the authors used neutron activation analysis to measure serum selenium levels in 110 patients with cancer, 18 healthy individuals and 34 non-cancer hospitalized patients. The results showed that the average selenium level per gram of dry serum in cancer patients was 1.268±0.034 μg, 1.481±0.073 μg in healthy subjects, and 1.493±0.064 μg in non-cancer patients. There was a significant difference in serum selenium levels between cancer patients and healthy individuals. (P=0.02-0.01). According to different histological types and anatomic sites of primary tumors, 110 patients were divided into 5 categories, including 37 lung cancers, 24 oral and laryngeal cancers, 18 gastrointestinal cancers, 14 urogenital cancers, and other site cancers. 17