外照射

结论舌癌放疗与手术综合治疗优于单纯外照射（P0.01），而术前放疗明显优于术后放疗（P0.01）。

Conclusion Surgery combined with radiotherapy for tongue cancer is superior to simple external radiation ( P 0.01 ), while pre-surgery radiotherapy is better than post-surgery radiotherapy , obviously ( P 0.01 ) .

252锎（Cf）近距离治疗妇科恶性肿瘤开始于20世纪60年代后期。方法收集62例子宫颈癌患者，采用锎-252中子近距离治疗和外照射同时进行的治疗方案，观察疗效并随访。

In the late of 1960s , californium-252 neutron brachytherapy was used to treat malignant gynecological tumors . Methods Fifty-one patients with pathologically proved cervical cancer underwent Cf-252 neutron brachytherapy along with external radiation .

区域动脉化疗加~（60）Co外照射治疗晚期直肠癌

Advanced Rectal Cancer Treated By Regional Intra arterial Chemotherapy Plus Radiation

~（60）Coγ射线外照射的有效剂量当量

The effective dose equivalents for ~ ( 60 ) Co γ - rays

单细胞凝胶电泳检测外照射诱导DNA单链断裂和双链断裂

DNA single and double strand breaks of peripheral blood lymphocytes in mice induced by γ rays irradiation

~（60）Coγ射线外照射事故剂量的几种表示方法的比较

Comparison of several ~ ( 60 ) Co γ ray external irradiation accidental dosage expression methods

203例中晚期食管癌~（60）Co外照射治疗结果分析

Analysis on effects of radiotherapy by ~ ( 60 ) Co on 203 cases of esophageal carcinoma

电子直线加速器外照射后NOS和SOD的变化研究

Study of the changes of NOS and SOD after β radiation injury

方法用计算的方法确定流出物外照射的H′（10），HE和E；

Methods The quantities H ′( 10 ), H E and E were calculated for external irradiation from the effluents .

张口困难发生率综合放疗组低于单纯外照射组（17.5%对33.8%，P＜0.05）。

Patients received combination radiotherapy had a lower trismus than those of simple radiotherapy group ( 17.5 % VS 33.8 % , P < 0.05 ) .

有效剂量当量研究进展&X、γ外照射的HB评价问题

The advance in the research on the effective dose equivalent & the problem of HE evaluation on X , γ ray external irradiation

分别应用中性单细胞凝胶电泳、碱性单细胞凝胶电泳技术检测了不同剂量γ射线外照射对小鼠外周血淋巴细胞DNA的损伤。

DNA single-and double-strand breaks of peripheral blood lymphocytes in mice induced by γ rays irradiation were detected by neutral and alkaline comet assay .

一例~（192）Ir不均匀外照射多部位放射损伤的临床观察

Clinical observation of a case with multi-part radiation injury caused by nonuniform ~ ( 192 ) Ir external irradiation

均采用252锎（Cf）腔内后装和盆腔外照射同时进行的方法治疗。

The external radiation and californium - 252 neutron brachytherapy were performed sequentially .

~（60）Coγ线外照射诱发肿瘤细胞微核和肺集落变化的相关性

The correlativity between changes in micronuclei with those of lung metastases after external irradiation of ~ ( 60 ) co γ - rays

目的研制用于估算X、γ射线、中子、特别是β射线外照射所致皮肤剂量的软件。

Objective To develop software for estimating skin dose from X ray , gamma ray , neutron , and especially β ray external exposure .

~（252）锎（Cf）中子腔内后装加外照射治疗子宫颈癌的临床观察

The clinical observation of therapy combined external irradiation with californium-252 neutron brachytherapy for cervical cancer

吉西他滨联合外照射诱导人乳腺癌MCF-7细胞凋亡

Apoptosis of breast cancer cell line MCF-7 cells induced by gemcitabine and radiation

方法采用聚苯乙烯凹槽单层铺胶后进行碱性单细胞凝胶电泳，观察γ射线外照射引起的人外周血淋巴细胞DNA损伤效应。

Methods The radiation-induced DNA damage in human peripheral blood lymphocytes was e-valuated using alkaline single cell gel electrophoresis by filled the polystyrene ponds with mono-layer gel embedded lymphocytes .

~（60）Co外照射加高剂量率腔内后装放射治疗鼻咽癌长期观察

The long term results of nasopharyngeal carcinoma treated by ~ ( 60 ) Co external irradiation plus intracavitary radiotherapy using the high dose rate afterloading technique

职业外照射剂量，采用TLD剂量计测得。

Occupational radiation dose was detected by TLD dose meter .

两组患者均采用60Co远距离外照射。

The same Cobalt 60 teletherapy machine was used in all the patients .

实验结果表明，短波紫外照射处理促进香梨中VC的含量下降，但和对照没有显著差异。

The experimental results show that the UV-C treatment tended to reduce content of VC in fragrant pear but this effect was not statistically significant .

不同来源的红骨髓分布数据对计算~（60）Coγ射线外照射下红骨髓剂量和干细胞计权剂量的影响

The effect of different sources of bone marrow distributions on red bone marrow dose and stem cell dose calculation under ~ ( 60 ) co γ, ray external irradiation

生物体在受到紫外照射时，常因在核酸水平上形成嘧啶二聚体导致DNA的氧化性损伤，具有强烈的致死作用。

UV radiation ( UV-B , UV-C ) can induced serious damage in organism . The major damage on the nucleic acid level is DNA biologic oxidation damage : formation of pyrimidine dimmers .

TLD佩戴位置对估算外照射事故个人剂量的影响

The Effect of TLD Badge Positions on Estimating Personnal Dose from r-ray External Irradiation Accident

方法对宜宾市202家医疗单位医用X射线机房的辐射防护水平进行现场测定，对从业人员外照射个人剂量进行现场调查。

Methods We inspected the level of radiation protection of medical X-ray rooms in 202 medical institutes of Yibin city and the personal dosage of those who worked in X-ray rooms .

结论：252锎（Cf）中子腔内后装放射加盆腔外照射治疗宫颈癌，患者能较好耐受，且具有局部病灶控制率高、并发症发生率低等特点，具有一定临床应用前景。

Conclusions : Combination of external irradiation with californium-252 neutron brachytherapy has advantages of high local control rate and lowgrade radiation complications .

方法60Co外照射加化疗药物局部外敷。

Methods The patients were treated by 60 Co radiation and local application with chemotherapy medicine .

这些断裂可由于紫外照射或X射线引起，同时也可在DNA分子一分为二的细胞分裂过程中发生。

These breaks can , for instance , be caused by ultraviolet light or X-rays , but also occur during cell division , when DNA molecules split and form two new DNA molecules .