肺癌

It was doable to judgement the nosology of lung cancer by analysing its imaging signs and clinical manifestation, and it was useful for selecting the way of therapy and judgementing its prognosis.

肺癌的病理组织类型与影像学征象及临床表现具有相关性，通过分析影像学征象及临床表现判断肺癌的病理组织类型是可行的，对肺癌治疗方法的选择和判断预后有重要意义。

objective to observe the antitumor activities of different solution extracts of plumbago zeylanica l.in vitro.method mtt method was used to detect the inhibitory effects on four kinds of cancer cells.results chloroform extracts had significant inhibitory effects on the breast cancer cell(bre-04),the nerve cancer cell(n-04) and the lung cancer cell(lu-04),ic50 were 0.2699mg/ml and 0.2634mg/ml,0.4961mg/ml respectively.ic50 of chloroform extract on the hepg2 was 0.9379mg/ml.ic50 of petroleum ether extracts on bre-04,n-04,lu-04 and hepg2 was 0.5902mg/ml,0.5725mg/ml,0.7938mg/ml,0.6374mg/ml;ethyl acetate extracts had fairly inhibitory effects on the lu-04,ic50 was 0.7343mg/ml;n-butanol extracts and water-solubility extracts had notsignificant inhibitory effects on the four kinds of cancer cells.conclusion the antineoplastic effective parts of plumbago zeylanica l.were chloroform and petroleum ether extracts.

目的 探讨白花丹体外抗肿瘤作用的活性部位。方法 mtt染色法对白花丹五种溶剂提取物体外抗肿瘤活性进行了初步的研究。结果氯仿提取物对乳腺癌细胞（bre-04）、神经癌细胞（n-04）、肺癌细胞（lu-04）有较好的抑制生长作用，ic50分别为0.269 9 mg/ml、0.263 4 mg/ml、0.496 1 mg/ml，对肝癌细胞hepg2抑制作用差， ic50为0.937 9 mg/ml；白花丹石油醚提取部位对乳腺癌细胞（bre-04）、神经癌细胞（n-04）、肺癌细胞（lu-04）、肝癌细胞hepg2的ic50分别为0.590 2 mg/ml、0.572 5 mg/ml、0.793 8 mg/ml、0.637 4 mg/ml；乙酸乙酯提取物对肺癌细胞（lu-04）有一定的抑制作用，ic50为0.734 3 mg/ml；水溶性提取物以及正丁醇提取物无明显抑制肿瘤作用。结论白花丹氯仿提取部位、石油醚提取部位体外抗肿瘤作用较好，值得对其提取部位进一步分离纯化并研究其抗肿瘤作用机制。

SCLC comprise about 20% of lung cancers and are the most aggressive and rapidly growing of all lung cancers.

大约20%小细胞肺癌，包括肺癌和最具侵略性的所有肺癌及发展迅速。

Results (1)Findings characteristics:small vacuole sign,pleural retraction sign and obstructive pneamonia only oppeared in peripheral lung cancer,thin-walled cavity less than 3 cm in diameter should be seen peculiar sign of it,thick-walled inregular cavity could be found in inflammatory pseudotumor and tuberculoma,spiculate protuberance showed mostly in peripheral lung cancer,but appeared in inflammatory lesion too,air bronchogram,pleural tail sign and long spiculation appeared mostly in inflammatory pseudotumor,calcification,pleurae thckening appeared mostly in tuberculoma.

结果（1）征象特点：小泡征、胸膜凹陷征、阻塞性肺炎仅见于周围型肺癌；小于3cm薄壁空洞为周围型肺癌的少见征象之一；炎性假瘤、结核球可出现不规则厚壁偏心空洞；棘状突起除周围型肺癌多见外，炎性病变亦可出现；支气管充气征、长毛刺、胸膜尾征炎性假瘤出现率高；钙化、胸膜肥厚结核球多见。

The genetic susceptibility of female with lung cancer is higher than that of male.

随着肺癌病因研究的不断深入，遗传因素在肺癌发病中的作用引起了人们的极大关注[1] ，甚至认为遗传因素是肺癌的主要危险因素。

Background: Lung cancer is the from head to foot disease, due to at present still couldn't effectively forepart discover、prevent and cure lung cancer subclinic transfer and whole-length beyond transfer, thereby,the basic fundamental of the cure lung cancer is the give priority to surgery colligation treatment.

背景：肺癌是一种全身性的疾病，由于目前还不能有效地早期发现、预防和治疗肺癌的亚临床转移和全身的远处转移，因此，以手术为主的综合治疗仍然是肺癌治疗的基本原则。

Thus, it is reasonable to speculate that impairment of lung tissues resulting from the imbalance between protease and antiprotease system due to α〓AD may be predisposed to the development of lung cancer, and may also be related to the susceptibility to lung cancer.

AT与肺癌的易感性相关。本研究结果有助于阐明COPD与肺癌的关系，从而为肺癌发生的病因学开辟一个新的途径。

At present, many operations have been developed, such as pneumonectomy, lobectomy, sleeve resection of the bronchus and the pulmonary artery, as well as carinal resection and reconstruction.

虽然近年来美国等发达国家的肺癌发病出现了下降迹象，但到目前为止，在工业发达国家和发展中国家的许多大城市，肺癌仍是发病率和死亡率第一位的恶性肿瘤[1] ，由于外科是肺癌治疗中首选和最有效的治疗方法，因此用辩证法

Methods S-P immunohistochemical staining was used to detect the expression of VEGF-C and its reˉceptor Flt-4in10neighboring noncancerous tissue and60NSCLC cases of non-small cell lung cancer and32lymph nodes cases with lymph nodes metastasis of non-small cell lung cancer.

目的 探讨血管内皮生长因子C及其受体Flt-4在人非小细胞肺癌组织中的表达及其与淋巴结转移等临床病理特征的关系方法采用免疫组化S-P法检测60例NSCLC原发灶组织、10例癌旁组织、32例伴有肺癌转移的淋巴结组织中VEGF-C、Flt-4的表达，并将结果与肺癌的临床病理特征进行分析。

On the basis of the concept that cigarette smoke creates a molecular field of injury throughout the respiratory tract, this study explores oncogenic pathway deregulation in cytologically normal proximal airway epithelial cells of smokers at risk for lung cancer.

这是一个在肺癌早期发现领域的关键性的敲门砖，因为目前还没有方法来辨识出那些在吸烟者中的占10-20%的会生肺癌的人，而美国的当前和以前的吸烟者有9000万人之多。总的来说，这些发现可能帮助解决巨大的且在不断增长的公共卫生方面的与肺癌有关的负担问题。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。