In this paper,the I-ring which satisfies almost descending chain conditions (shorten writting A. D. C. C) on principal left ideals is studied. Two main results are gaven: (1) I-ring which satisfies A. D.C. C on princi...In this paper,the I-ring which satisfies almost descending chain conditions (shorten writting A. D. C. C) on principal left ideals is studied. Two main results are gaven: (1) I-ring which satisfies A. D.C. C on principal left ideals is Boolen. (2) Ring with identity whose principal left ideals satisfy A. D. C. C and of which each element except identity is a left zero-divisor, is Boolean.These results generalize the results of [1],[2] and [3].展开更多
BACKGROUND The retrospective review of I-ring pupil expansion ring use is designed to examine the patient characteristics and associated surgical challenges in a clinical practice.The hypothesis is that I-ring provide...BACKGROUND The retrospective review of I-ring pupil expansion ring use is designed to examine the patient characteristics and associated surgical challenges in a clinical practice.The hypothesis is that I-ring provides a necessary additive tool in dealing with challenging cataract surgeries with small pupils.AIM To document the safety profile and use of I-ring pupil expansion ring in a clinical practice.METHODS A retrospective chart review of 12 consecutive cases within the same year(2016)of cataract surgeries employing I-ring pupil expansion ring(Beaver-Visitec,International)by a single surgeon at the same ambulatory surgical center was conducted.Demographic,pre-op,intra-op,and post-op data were recorded.Total number of cataract cases performed was also recorded.RESULTS 8 of 12 cases were planned I-ring cases.1 case was decided intraoperatively when femtosecond laser caused the pupil to shrink.The other 3 cases were also decided upon intraoperatively when pupil was deemed to be small.7 patients had IFIS from Flomax use.2 patients had pseudoexfoliation syndrome as the cause of small pupil.2 patients had narrow angles with brunescent cataracts.2 patients had pre-op partial zonular dehiscence.1 patient had 360o of posterior synechiae.2 cases had ruptured posterior capsule that required anterior vitrectomy.No complications were attributed to the pupil expansion ring.A total of 296 cataract surgeries were performed that year by the surgeon,making the rate of pupil ring use 4.1%.CONCLUSION Small pupil requiring pupil expansion ring during cataract surgery is often associated with other challenges,such as brunescent cataract,zonular weakness,and posterior synechiae in this series.I-ring helped to reduce at least one challenge in these difficult cases.展开更多
目的:探讨UHRF1(Ubiquitin-like,containing PHD and RING finger domains 1)在肝细胞肝癌(hepatocellular carcinoma,HCC)中的表达及其与临床病理特征的关系。方法:采用免疫组织化学方法检测556例HCC组织及其癌旁组织中UHRF1的表达,分...目的:探讨UHRF1(Ubiquitin-like,containing PHD and RING finger domains 1)在肝细胞肝癌(hepatocellular carcinoma,HCC)中的表达及其与临床病理特征的关系。方法:采用免疫组织化学方法检测556例HCC组织及其癌旁组织中UHRF1的表达,分析其与HCC患者临床病理特征的关系。结果:免疫组织化学结果显示,UHRF1蛋白阳性表达定位于HCC细胞核,UHRF1蛋白在HCC组织中的表达显著高于癌旁组织。HCC组织中UHRF1蛋白阳性表达率为59%,其表达与肿瘤大小(P<0.01)、肿瘤分化(P<0.05)和微血管侵犯(P<0.01)相关。结论:HCC中UHRF1的表达与其恶性表型相关,UHRF1可能参与HCC的侵袭和转移。展开更多
文摘In this paper,the I-ring which satisfies almost descending chain conditions (shorten writting A. D. C. C) on principal left ideals is studied. Two main results are gaven: (1) I-ring which satisfies A. D.C. C on principal left ideals is Boolen. (2) Ring with identity whose principal left ideals satisfy A. D. C. C and of which each element except identity is a left zero-divisor, is Boolean.These results generalize the results of [1],[2] and [3].
基金Supported by a research grant from Beaver-Visited International,the manufacturer of the I-ring
文摘BACKGROUND The retrospective review of I-ring pupil expansion ring use is designed to examine the patient characteristics and associated surgical challenges in a clinical practice.The hypothesis is that I-ring provides a necessary additive tool in dealing with challenging cataract surgeries with small pupils.AIM To document the safety profile and use of I-ring pupil expansion ring in a clinical practice.METHODS A retrospective chart review of 12 consecutive cases within the same year(2016)of cataract surgeries employing I-ring pupil expansion ring(Beaver-Visitec,International)by a single surgeon at the same ambulatory surgical center was conducted.Demographic,pre-op,intra-op,and post-op data were recorded.Total number of cataract cases performed was also recorded.RESULTS 8 of 12 cases were planned I-ring cases.1 case was decided intraoperatively when femtosecond laser caused the pupil to shrink.The other 3 cases were also decided upon intraoperatively when pupil was deemed to be small.7 patients had IFIS from Flomax use.2 patients had pseudoexfoliation syndrome as the cause of small pupil.2 patients had narrow angles with brunescent cataracts.2 patients had pre-op partial zonular dehiscence.1 patient had 360o of posterior synechiae.2 cases had ruptured posterior capsule that required anterior vitrectomy.No complications were attributed to the pupil expansion ring.A total of 296 cataract surgeries were performed that year by the surgeon,making the rate of pupil ring use 4.1%.CONCLUSION Small pupil requiring pupil expansion ring during cataract surgery is often associated with other challenges,such as brunescent cataract,zonular weakness,and posterior synechiae in this series.I-ring helped to reduce at least one challenge in these difficult cases.
基金the National Natural Science Foundation of China(11361052)Gansu Provincial Natural Science Foundation of China(1107RJZA229)Principal Scientific Research Innovation Foundation of Lanzhou City University(LZCU-XZ2014-04)
文摘目的:探讨UHRF1(Ubiquitin-like,containing PHD and RING finger domains 1)在肝细胞肝癌(hepatocellular carcinoma,HCC)中的表达及其与临床病理特征的关系。方法:采用免疫组织化学方法检测556例HCC组织及其癌旁组织中UHRF1的表达,分析其与HCC患者临床病理特征的关系。结果:免疫组织化学结果显示,UHRF1蛋白阳性表达定位于HCC细胞核,UHRF1蛋白在HCC组织中的表达显著高于癌旁组织。HCC组织中UHRF1蛋白阳性表达率为59%,其表达与肿瘤大小(P<0.01)、肿瘤分化(P<0.05)和微血管侵犯(P<0.01)相关。结论:HCC中UHRF1的表达与其恶性表型相关,UHRF1可能参与HCC的侵袭和转移。
