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73篇 您的检索式:作者名="TAKASHI MATSUI"
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1Preoperative diagnosis of gastrointestinal stromal tumor by endoscopic ultrasound-guided fine needle aspiration显示文摘瞄准:在胃肠的基质肿瘤(大意) 的外科手术前的诊断评估内视镜的指导 ultrasonography 的好针渴望(EUS-FNA ) 的角色。方法:从 2002 年 9 月到 2006 年 6 月,有到合适的肌肉层的连续性的上皮的低亚硫酸钠拟声肿瘤由标准 EUS 作为大意怀疑了的官方补给的道潜水艇的 53 连续 EUS-FNAs 有希望地被评估。为最后的诊断的参考标准是外科(n = 31 ) ,或临床的后续(n = 22 ) 。另外,标本的免疫 phenotyping 由 EUS-FNA 获得了,外科的切除术标本被比较。结果:因为解剖问题,没在 2 情况刺被执行。从官方补给的道的足够的标本的收集率与连续性代替上皮的低亚硫酸钠拟声肿瘤到合适的肌肉层是 82%(42/51 ) 。为肿瘤的诊断的率不到 2 厘米, 2 ~ 4 厘米,和 4 厘米或更多是 71%(15/21 ) , 86%(18/21 ) ,并且 100%(9/9 ) 分别地。在 29 通过手术用免疫的 EUS-FNA 的 resected 盒子,敏感,特性,积极预兆的价值,否定预兆的价值,和诊断精确性大意的组织化学的分析是100%( 24/24 ),80%( 4/5 ),96%( 24/25 ),100%( 4/4 ),并且97%( 28/29 )分别地。没有主要复杂并发症被遇到。结论:有免疫的 EUS-FNA 组织化学的分析是在大意的 prethera-peutic 诊断的一个安全、精确的方法。它应该在决策被考虑,特别在跟随为大意的最小的侵略外科的早诊断。Kazuya Akahoshi Yorinobu Sumida Noriaki Matsui Masafumi Oya Rie Akinaga Masaru Kubokawa Yasuaki Motomura Kuniomi Honda Masayuki Watanabe Takashi Nagaie 2007World Journal of Gastroenterology2007,13,14:34
2Feasibility of cold snare polypectomy in Japan: A pilot study显示文摘AIM: To investigate the feasibility of cold snare polypectomy(CSP) in Japan.METHODS: The outcomes of 234 non-pedunculated polyps smaller than 10 mm in 61 patients who underwent CSP in a Japanese referral center were retrospectively analyzed. The cold snare polypectomies were performed by nine endoscopists with no prior experience in CSP using an electrosurgical snare without electrocautery.RESULTS: CSPs were completed for 232 of the 234 polyps. Two(0.9%) polyps could not be removed without electrocautery. Immediate postpolypectomy bleeding requiring endoscopic hemostasis occurred in eight lesions(3.4%; 95%CI: 1.1%-5.8%), but all were easily managed. The incidence of immediate bleeding after CSP for small polyps(6-9 mm) was significantly higher than that of diminutive polyps(≤ 5 mm; 15% vs 1%, respectively). Three(5%) patients complained of minor bleeding after the procedure but required no intervention. The incidence of delayed bleeding requiringendoscopic intervention was 0.0%(95%CI: 0.0%-1.7%). In total, 12% of the resected lesions could not be retrieved for pathological examination. Tumor involvement in the lateral margin could not be histologically assessed in 70(40%) lesions.CONCLUSION: CSP is feasible in Japan. However, immediate bleeding, retrieval failure and uncertain assessment of the lateral tumor margin should not be underestimated. Careful endoscopic diagnosis before and evaluation of the tumor residue after CSP are recommended when implementing CSP in Japan.Yoji Takeuchi Takeshi Yamashina Noriko Matsuura Takashi Ito Mototsugu Fujii Kengo Nagai Fumi Matsui Tomofumi Akasaka Noboru Hanaoka Koji Higashino Hiroyasu Iishi Ryu Ishihara Henrik Thorlacius Noriya Uedo 2015World Journal of Gastrointestinal Endoscopy2015,7,17:14
3Pink-color sign in esophageal squamous neoplasia, and speculation regarding the underlying mechanism显示文摘AIM:To investigate the reasons for the occurrence of the pink-color sign of iodine-unstained lesions. METHODS:In chromoendoscopy, the pink-color sign of iodine-unstained lesions is recognized as useful for the diagnosis of esophageal squamous cell carcinoma. Patients with superficial esophageal neoplasms treated by endoscopic resection were included in the study. Areas of mucosa with and without the pink-color sign were evaluated histologically. The following histologic features that were possibly associated with the pinkcolor sign were evaluated. The keratinous layer and basal cell layer were classified as present or absent. Cellular atypia was classified as high grade, moderate grade or low grade, based on nuclear irregularity, mitotic figures, loss of polarity, chromatin pattern and nuclear/cytoplasmic ratio. Vascular change was assessed based on dilatation, tortuosity, caliber change and variability in shape. Vessels with these four findings were classified as positive for vascular change. Endoscopic images of the lesions were captured immediately after iodine staining, 2-3 min after iodine staining and after complete fading of iodine staining. Quantitative analysis of color changes after iodine staining was also performed. RESULTS:A total of 61 superficial esophageal neoplasms in 54 patients were included in the study. The lesions were located in the cervical esophagus in one case, the upper thoracic esophagus in 10 cases, the mid-thoracic esophagus in 33 cases, and the lower thoracic esophagus in 17 cases. The median diameter of the lesions was 20 mm (range:2-74 mm). Of the 61 lesions, 28 were classified as pink-color sign positive and 33 as pink-color sign negative. The histologic diagnosis was high-grade intraepithelial neoplasia (HGIN) or cancer invading into the lamina propria in 26 of the 28 pink-color sign positive lesions. There was a significant association between pink-color sign positive epithelium and HGIN or invasive cancer (P = 0.0001). Univariate analyses found that absence of the keratinous layer and cellular atypia were significantly associated with the pink-color sign. After Bonferroni correction, there were no significant associations between the pink-color sign and presence of the basal membrane or vascular change. Multivariate analyses found that only absence of the keratinous layer was independently associated with the pink-color sign (OR = 58.8, 95%CI:5.5-632).Quantitative analysis was performed on 10 superficial esophageal neoplasms with both pink-color sign positive and negative areas in 10 patients. Pink-color sign positive mucosa had a lower mean color value in the late phase (pinkish color) than in the early phase (yellowish color), and had similar mean color values in the late and final phases. These findings suggest that pinkcolor positive mucosa underwent color fading from the color of the iodine (yellow) to the color of the mucosa (pink) within 2-3 min after iodine staining. Pink-color sign negative mucosa had similar mean color values in the late and early phases (yellowish color), and had a lower mean color value in the final phase (pinkish color) than in the late phase. These findings suggest that pink-color sign negative mucosa did not undergo color fading during the 2-3 min after iodine staining, and underwent color fading only after spraying of sodium thiosulfate. CONCLUSION:The pink-color sign was associated with absence of the keratinous layer. This sign may be caused by early fading of iodine staining.Ryu Ishihara Hiromitsu Kanzaki Hiroyasu Iishi Kengo Nagai Fumi Matsui Takeshi Yamashina Noriko Matsuura Takashi Ito Mototsugu Fujii Sachiko Yamamoto Noboru Hanaoka Yoji Takeuchi Koji Higashino Noriya Uedo Masaharu Tatsuta Yasuhiko Tomita Shingo Ishiguro 2013World Journal of Gastroenterology2013,19,27:10
4Efficacy of intra-arterial contrast-enhanced ultrasonography during transarterial chemoembolization with drug-eluting beads for hepatocellular carcinoma显示文摘AIM To assess the usefulness of intra-arterial contrastenhanced ultrasonography(IAUS) during transarterial chemoembolization(TACE) with drug-eluting beads(DEB) for hepatocellular carcinoma(HCC).METHODS Thirty two patients with 39 HCC underwent DEB-TACE guided with IAUS, and examined by contrast-enhanced ultrasonography(CEUS) or dynamic CT after DEB-TACE were enrolled in this study. CEUS findings before DEBTACE and IAUS findings were compared. Treatments judged to be complete and incomplete for lesions were appropriate and insufficient, respectively. Findings on CEUS and/or dynamic CT performed 1, 3 and 6 mo after DEB-TACE were evaluated using m RECIST(CR/PR/SD/PD).RESULTS The treatments were complete and incomplete in 26 and 13 lesions, respectively. On imaging evaluation using CEUS and/or dynamic CT one month after treatment, 25 and 1 lesions were judged to be CR and PR, respectively, and at 6 mo after treatment, the results were CR, PR, SD and PD for 24, 1, 0 and 1 of these lesions, respectively, in the 26 completely treated lesions. Of the 13 lesions in which treatment was incomplete, the results on imaging at one month after treatment were CR, PR, SD and PD for 0, 6, 4 and 3 lesions, respectively. The overall CR rate at 6 mo after treatment was 61.5%(24/39).CONCLUSION A combination of DEB-TACE with IAUS can improve the therapeutic effects in patients with HCC.Kazue Shiozawa Manabu Watanabe Takashi Ikehara Shuhei Yamamoto Takashi Matsui Yoshinori Saigusa Yoshinori Igarashi Iruru Maetani 2018World Journal of Hepatology2018,10,1:7
5Application of highwall mining system in weak geological condition显示文摘Takashi Sasaoka Tri Karian Akihiro Hamanaka Hideki Shimada Kikuo Matsui 2016International Journal of Coal Science & Technology2016,3,3:3
6Usefulness of magnifying endoscopy with narrow-band imaging for determining the horizontal extent of early gastric cancer when there is an unclear margin by chromoendoscopy (with video)显示文摘Takashi Nagahama Kenshi Yao Shinichiro Maki Motochika Yasaka Yashuhiro Takaki Toshiyuki Matsui Hiroshi Tanabe Akinori Iwashita A. Ota 2011Gastrointestinal Endoscopy2011,,6:3
7Magnifying endoscopy with narrow-band imaging is useful in the differential diagnosis between low-grade adenoma and early cancer of superficial elevated gastric lesions显示文摘Shinichiro Maki Kenshi Yao Takashi Nagahama Takahiro Beppu Takashi Hisabe Yasuhiro Takaki Fumihito Hirai Toshiyuki Matsui Hiroshi Tanabe Akinori Iwashita 2013Gastric Cancer2013,,2:3
8Evidence‐based C linical P ractice G uidelines for H epatocellular C arcinoma: The J apan S ociety of H epatology 2013 update (3rd JSH‐HCC G uidelines)显示文摘Norihiro Kokudo Kiyoshi Hasegawa Masaaki Akahane Hiroshi Igaki Namiki Izumi Takafumi Ichida Shinji Uemoto Shuichi Kaneko Seiji Kawasaki Yonson Ku Masatoshi Kudo Shoji Kubo Tadatoshi Takayama Ryosuke Tateishi Takashi Fukuda Osamu Matsui Yutaka Matsuyama Ta 2015Hepatol Res2015,,2:2
9Nature of white opaque substance in gastric epithelial neoplasia as visualized by magnifying endoscopy with narrow‐band imaging显示文摘Kenshi Yao Akinori Iwashita Masami Nambu Hiroshi Tanabe Takashi Nagahama Shinichiro Maki Hideki Ishikawa Toshiyuki Matsui Munechika Enjoji 2012Digestive Endoscopy2012,,6:2
10Effect of Application of Pipe Roof Method by Using Pipe Jacking on Behavior of Surrounding Soil显示文摘Hideki Shimada Akihiro Hamanakal Takashi Sasaoka Kikuo Matsui Toru Sato 2013Journal of Physical Science and Application2013,3,6:2
11Study on control of rock fragmentation at limestone quarry显示文摘The size distribution of a muck pile depends not on only the blasting standard but also on the mechanical properties,joint system,and crack density of the rock mass. As,the cracks in the rock masses are especially heavily developed at the limestone quar- ries in Japan,they,along with the joints,have a large impact on the effects of blasting, such as the size of the muck pile.Therefore,if the joint system and/or crack density in a rock mass can be determined and quantitatively evaluated,the blasting operation can be conducted more effectively,efficiently and safely.However,guidelines for designing ap- propriate blasting standards based on the rock mass conditions have not yet been scien- tifically developed.Therefore,blasting tests were conducted on different mines and faces, under different geological conditions and blasting standards,in order to determine the im- pacts of each factor on the effects of blasting.Summarized the results of a series of blast- ing tests and described the impacts of geological conditions on the size of the muck pile produced by blast.SASAOKA Takashi SHIMADA Hideki SASAKI Takayuki ICHINOSE Masatomo MATSUI Kikuo 2008Journal of Coal Science & Engineering(China)2008,14,3:2
12Transcriptional effects of chronic Akt activation in the heart 显示文摘STUART A COOK TAKASHI MATSUI LING L I 2002J Biological Chemistry2002,277,22:1
13显示文摘 Takuya Matsui Hideyuki Takakura 2001Sola nergy Materials & Solar Cells2001,67,:1
14Adsorptive granulocyte and monocyte apheresis for refractory Crohn’s disease: an open multicenter prospective study显示文摘Yoshihiro Fukuda Toshiyuki Matsui Yasuo Suzuki Kazunari Kanke Takayuki Matsumoto Masakazu Takazoe Takayuki Matsumoto Satoshi Motoya Terasu Honma Koji Sawada Tsuneyoshi Yao Takashi Shimoyama Toshifumi Hibi 2004Journal of Gastroenterology2004,,12:1
15Formation of nickel oxide nanoribbons in the cavity of carbon nanotubes 显示文摘Keitaro Matsui Bhabendra K Pradhan Takashi Kyotani 2001J Phys Chem B2001,105,:1
16Theoretical Analysis of the Effect of Conduction Band Offset of Window/CIS Layers on Performance of CIS Solar Cells Using Device Simulation显示文摘Takashi Minemoto Takuya Matsui Hideyuki Takakura 2001Solar Energy Materials & Solar Cells2001,67,:1
17Im- provement in quantum efficiency of thin film Si solar due to the suppression of optical reflectance at transparent oxide/Si interface by TiO2/ZnO antireflection coating 显示文摘Takashi Fujibayashi Takuya Matsui Michio Kondo 2006Appl Phys Lett2006,88,18:1
18Carbon dioxide insufflation compared with air insufflation in double-balloon enteroscopy: a prospective, randomized, double-blind trial显示文摘Fumihito Hirai Takahiro Beppu Taku Nishimura Noritaka Takatsu Shinya Ashizuka Takehiko Seki Takashi Hisabe Takashi Nagahama Kenshi Yao Toshiyuki Matsui Tsuyoshi Beppu Rikiya Nakashima Naomi Inada Eriko Tajiri Hideko Mitsuru Hideko Shigematsu 2011Gastrointestinal Endoscopy2011,,4:1
19Does elevation of serum creatinine in patients with chronic hepatitis C under therapy of telaprevir mean renal impairment?显示文摘Katsuomi Matsui Atsuko Kamijo‐Ikemori Takeshi Sugaya Hiroki Ikeda Chiaki Okuse Yugo Shibagaki Takashi Yasuda Kenjiro Kimura 2015Nephrology2015,,11:1
20Degradation of creep strength in welded joint of 9%Cr steel 显示文摘MASAKAZU Matsui MASAAKU Tabuchi TAKASHI Watanabe 2001ISIJ International2001,,:1
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