残胃癌外科诊疗问题初探

目的 :探讨残胃癌的病变规律及诊疗对策。方法 :对 2 5例残胃癌临床资料的回顾性分析及相关的文献复习。结果 :采用BillrothⅡ式吻合术患者残胃癌发生率高 ,BII/BI式为 2 0 / 5。男性多于女性。发病距初次手术时间 5 .4～ 2 6年 ,平均 11.3年。胃镜结合病理活检对残胃癌的确诊率可达 90 %以上 ,确诊时多属晚期。随访2 1例 ,平均生存 12 .2月 ,15例残胃癌根治术患者 1年、3年、5年生存率分别为 73.3%、5 3.3%、33.3%。结论 :胃镜结合病理学活检是目前诊断残胃癌最有价值的手段。防治应从初次手术的术式选择开始 ,减少或避免胆汁返流对残胃粘膜的刺激。胃术后 5年以上须定期胃镜检查 ,治疗上尽量行全残胃根治术 ,以多脏器联合切除为首选术式     

纤维胃镜诊断老年人胃癌106例分析

经纤维胃镜诊断１０６例老年人胃癌，占同期老年人受检人数的１２０３％（１０６／８８１），显著高于同期青壮年人胃癌检出率的０．８４％（６０／７１５５），Ｐ＜０．０１．以６０～６４岁年龄组检出率最高（４０．５７％），男女之比为１．２：１，提示老年女性胃癌并非少见．镜下癌肿以ＢｏｒｒｍａｎｎⅡ、Ⅲ为主，好发部位为胃窦部（５１．８９％），纤维胃镜活组织检查阳性率为８８．６８％．病理类型绝大多数为腺癌．其临床表现多不典型，且病程短，提出应放宽老年人纤维胃镜指征．对老年人上腹部症状轻微者要引起重视．对近期症状加重者首选纤维胃镜检查．     

胃十二指肠溃疡急性穿孔280例临床分析

本文报告并分析胃十二指肠溃疡急性穿孔２８０例，平均年龄４３岁，男女比例１３．３：１。保守治疗３４例，穿也修补３２例，胃大部分切除２１４例，术前误诊１２例，术后发生合并症１８例，死亡５例，文中对溃疡病穿孔的诊断、保守治疗适应症及各种术式的选择加以讨论。认为胃溃疡穿孔应施行胃大部份切除术，并提倡作Ｂ－Ｉ式吻合。十二指肠溃疡穿孔因修补后抗溃疡治疗效果不理想，除特殊情况外，应选择彻底性手术，并采用Ｂ－ＩＩ     

胃镜活检与术后病理检查在胃癌诊断中应用分析

目的:探讨胃镜活检与术后病理检查在胃癌诊断中的应用价值.方法:选择我院2015年6月~2017年6月期间收治100例胃癌患者为研究对象,所有患者均先后进行胃镜活检与病理检查,并将术后病理检查结果作为诊断金标准,从病理类型、分化程度等方面进行比较,分析胃镜活检术临床应用价值.结果:术后病理检查结果显示100例患者均为胃癌患者,胃镜活检结果显示100例患者中确诊人数为84例(84%),有9例(9%)为疑似胃癌,7例(7%)被排除,两种检查方法胃癌确诊率相比,差异有统计学意义(p<0.05);术后病理检查与胃镜活检的管状腺癌、黏液腺癌、印戒细胞癌检出率相比,差异均有统计学意义(p<0.05);病理诊断检出分化不良型36例(36%)、分化型64例(64%),胃镜活检共检出分化不良型54例(64.29%)、分化型30例(35.71%),差异有统计学意义(p<0.05).结论:临床胃癌诊断中胃镜活检与术后病理诊断结果不一致,胃镜活检诊断准确性虽低于病理检查,但在基层胃癌患者术前诊断中应用价值较高.     

胃毕氏Ⅱ（BⅡ）术后远段空肠逆行套入胃内扭转坏死一例

胃毕氏Ⅱ（ＢⅡ）术后远段空肠逆行套入胃内扭转坏死一例谢水利，黄锦泉，徐以浩（广东省杨村华侨柑桔场医院外科，５１６１５７，杨村；暨南大学医学院附属医院外科，５１０６３０，广州）胃切除毕氏Ⅱ（ＢⅡ）术后，输出段空肠逆行套入胃内扭转、坏死是临床很少见的严重...     

早期三重残胃癌一例

<正> 自从1922年由Bacfour首次报告残胃癌以来,文献中记载了大量胃癌发生于残胃的病例.这样,在日本残胃癌已不再罕见,据报导占全部胃癌的0.5%到2.4%不等.另一方面,既往因胃的良性疾病而做过手术的胃癌患者的比例由1.1%到8.7%不等.然而残胃的多发胃癌相当罕见,因确诊时多数癌均属晚期,预后差.继胃空肠吻合术后(毕Ⅱ式)的胆汁返流被认为是残胃癌的病因.我们收治的一名残胃早期三重癌,是在胃切除术后继而施行毕罗Ⅱ式改造术32年后出现的.就作者所知,这是残胃早期三重癌的首例报导.     

胃癌前哨淋巴结导航手术的研究

目的探讨胃癌前哨淋巴结（SLN）活检技术在治疗胃癌疾病中的价值．方法通过使用亚甲蓝对40例患有胃癌疾病的患者行前哨淋巴结术中标识活检，术后进行常规HE病理和免疫组化检查，用统计学方法对结果进行分析，探讨术中注射亚甲蓝后前哨淋巴结的表达情况．结果在40例中有39例检出SLN，其检出率为97．5％．一共检出54枚淋巴结，平...     

保留幽门间置顺蠕动空肠的胃次全切术治疗责门癌效果观察

目的探讨保留幽门间置顺蠕动空肠的胃次全切术治疗贲门癌的可行性。方法对我院31例贲门癌行保留幽门的胃次全切除术。在食管与残胃之间间置顺蠕动空肠,并在食管空肠吻合口下方3cm左右重叠缝合空肠浆肌层重建人工贲门。结果31例贲门癌患者均随访1～8年,平均（2．4±0．5）年。随访患者的胃排空时间为（2．2±0．4）h,无贫血、倾倒综合征发生;食管及吻合口炎症2例。保留幽门间置顺蠕动空肠的胃次全切术后残胃具有贮存食物、良好的排空及抗返流功能,患者术后生存质量满意。结论本术式术后并发症少,反流性食管炎发生率低,患者生活质量明显提高。     

胃镜下活检胃黏膜上皮内瘤变高级别在甘肃省甘南藏区的应用

目的:探讨甘南藏区胃镜活检病理诊断上皮内瘤变高级别在早期胃癌诊断中的价值.方法:选取2012年2月—2015年2月在本地区医院收治的20例上皮内瘤变患者为研究对象,均行手术治疗,回顾分析其临床资料来评价胃镜活检病理诊断的意义.结果:本组20例患者,术前行胃镜活检,结果显示20例为上皮内瘤变高级别.术后常规病理切片检查,结果显示20例诊断均为胃癌,其中5例为早期胃癌(占25%),15例为进展期胃癌(占75%).术前与术后的诊断进展期胃的Borrmann分型无统计学意义.结论:胃镜活检病理诊断上皮内瘤变高级别在早期胃癌诊断中具有一定的准确性,应在临床上推广应用.     

2－（5－硝基－2－吡啶偶氮）－5－二甲氨基苯胺与钴高灵敏显色反应的研究

报道了新试剂２－（５－硝基－２－吡啶偶氮）－５－二甲氨基苯胺（记作５－ＮＯ２－ＰＡＤ－ＭＡ）与钴（Ⅱ）的高灵敏显色反应．实验表明，在ｐＨ４．０～６．２ＨＡｃ－ＮａＡｃ缓冲介质中，试剂可与钴（Ⅱ）形成紫红色配合物，当用高氯酸酸化后配合物转换成一种蓝色稳定的双质子化型体，最大吸收峰位于６１３ｎｍ，摩尔吸光系数为１．１３×１０５Ｌ·ｍｏｌ－１·ｃｍ－１，钴（Ⅱ）浓度在０～３．６μｇ／１０ｍＬ范围内遵守比耳定律．所拟方法已成功地应用于ＶＢ１２针剂、分子筛样品中钴（Ⅱ）含量的测定     

Markedness and its Interpretation in Language Use

Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.     

Characterization of Ordovician carbonate reservoirs, southeastern Saskatchewan, Canada

The discovery of the prolific Ordovician Red River reservoirs in 1995 in southeastern Saskatchewan was the catalyst for extensive exploration activity which resulted in the discovery of more than 15 new Red River pools. The best yields of Red River production to date have been from dolomite reservoirs. Understanding the processes of dolomitization is, therefore, crucial for the prediction of the connectivity, spatial distribution and heterogeneity of dolomite reservoirs.The Red River reservoirs in the Midale area consist of 3～4 thin dolomitized zones, with a total thickness of about 20 m, which occur at the top of the Yeoman Formation. Two types of replacement dolomite were recognized in the Red River reservoir: dolomitized burrow infills and dolomitized host matrix. The spatial distribution of dolomite suggests that burrowing organisms played an important role in facilitating the fluid flow in the backfilled sediments. This resulted in penecontemporaneous dolomitization of burrow infills by normal seawater. The dolomite in the host matrix is interpreted as having occurred at shallow burial by evaporitic seawater during precipitation of Lake Almar anhydrite that immediately overlies the Yeoman Formation. However, the low δ18O values of dolomited burrow infills (-5.9‰～ -7.8‰, PDB) and matrix dolomites (-6.6‰～ -8.1‰, avg. -7.4‰ PDB) compared to the estimated values for the late Ordovician marine dolomite could be attributed to modification and alteration of dolomite at higher temperatures during deeper burial, which could also be responsible for its 87Sr/86Sr ratios (0.7084～0.7088) that are higher than suggested for the late Ordovician seawaters (0.7078～0.7080). The trace amounts of saddle dolomite cement in the Red River carbonates are probably related to "cannibalization" of earlier replacement dolomite during the chemical compaction.     

A computer generator for randomly layered structures

AcomputergeneratorforrandomlylayeredstructuresYUJia shun1,2,HEZhen hua2(1.TheInstituteofGeologicalandNuclearSciences,NewZealand;2.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,ChengduUniversityofTechnology,China)Abstract:Analgorithmisintrod…     

低渗透非均质砂岩油藏启动压力梯度研究

理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。     

On Tragic Consciousness In The Works By Ernest Hemingway

As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.     

海南岛地体及其毗邻陆缘晚中生代—新生代古地磁研究和构造演化

本文叙述了对海南岛及其毗邻大陆边缘白垩纪到第四纪地层岩石进行古地磁研究的全部工作过程。通过分析岩石中剩余磁矢量的磁偏角及磁倾角的变化,提出海南岛白垩纪以来经历的构造演化模式如下:早期伴随顺时针旋转而向南迁移,后期伴随逆时针转动并向北运移。联系该地区及邻区的地质、地球物理资料,对海南岛上述的构造地体运动提出以下认识:北部湾内早期有一拉张作用,主要是该作用使湾内地壳显著伸长减薄,形成北部湾盆地。从而导致了海南岛的早期构造运动,而海南岛后期的构造运动则主要是受南海海底扩张的影响。海南地体运动规律的阐明对于了解北部湾油气盆地的形成演化有重要的理论和实际意义。     

An Index mechanism for multi-scale view in spatial databases

There are numerous geometric objects stored in the spatial databases. An importance function in a spatial database is that users can browse the geometric objects as a map efficiently. Thus the spatial database should display the geometric objects users concern about swiftly onto the display window. This process includes two operations:retrieve data from database and then draw them onto screen. Accordingly, to improve the efficiency, we should try to reduce time of both retrieving object and displaying them. The former can be achieved with the aid of spatial index such as R-tree, the latter require to simplify the objects. Simplification means that objects are shown with sufficient but not with unnecessary detail which depend on the scale of browse. So the major problem is how to retrieve data at different detail level efficiently. This paper introduces the implementation of a multi-scale index in the spatial database SISP (Spatial Information Shared Platform) which is generalized from R-tree. The difference between the generalization and the R-tree lies on two facets: One is that every node and geometric object in the generalization is assigned with a importance value which denote the importance of them, and every vertex in the objects are assigned with a importance value,too. The importance value can be use to decide which data should be retrieve from disk in a query. The other difference is that geometric objects in the generalization are divided into one or more sub-blocks, and vertexes are total ordered by their importance value. With the help of the generalized R-tree, one can easily retrieve data at different detail levels.Some experiments are performed on real-life data to evaluate the performance of solutions that separately use normal spatial index and multi-scale spatial index. The results show that the solution using multi-scale index in SISP is satisfying.     

《Chinese Science Bulletin》SUBJECT INDEX TO VOLUME 59(2014)

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Achieving Unusual States of Matter Under High Pressure

The elongation method,originally proposed by Imamura was further developed for many years in our group.As a method towards O(N)with high efficiency and high accuracy for any dimensional systems.This treatment designed for one-dimensional(ID)polymers is now available for three-dimensional(3D)systems,but geometry optimization is now possible only for 1D-systems.As an approach toward post-Hartree-Fock,it was also extended to     

Exciton Seebeck in Molecular Systems

Various applications relevant to the exciton dynamics,such as the organic solar cell,the large-area organic light-emitting diodes and the thermoelectricity,are operating under temperature gradient.The potential abnormal behavior of the exicton dynamics driven by the temperature difference may affect the efficiency and performance of the corresponding devices.In the above situations,the exciton dynamics under temperature difference is mixed with