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| 1 | Appropriate kidney stone size for ureteroscopic lithotripsy:When to switch to a percutaneous approach显示文摘Flexible ureteroscopy(f URS) has become a more effective and safer treatment for whole upper urinary tract stones. Percutaneous nephrolithotomy(PNL) is currently the first-line recommended treatment for large kidney stones ≥ 20 mm and it has an excellent stone-free rate for large kidney stones. However, its invasiveness is not negligible considering its major complication rates. Staged f URS is a practical treatmentfor such large kidney stones because f URS has a minimal blood transfusion risk, short hospitalization and few restrictions on daily routines. However, as the stone size becomes larger, the stone-free rate decreases, and the number of operations required increases. Therefore, in our opinion, staged f URS is a practical option for kidney stones 20 to 40 mm. Miniaturized PNL combined with f URS should be considered to be a preferred option for stones larger than 40 mm. Moreover, URS is an effective treatment for multiple upper urinary tract stones. Especially for patients with a stone burden < 20 mm, URS is a favorable option that promises a high stone-free rate after a single session either unilaterally or bilaterally. However, for patients with a stone burden ≥ 20 mm, a staged operation should be considered to achieve stone-free status. | Ryoji Takazawa Sachi Kitayama Toshihiko Tsujii | 2015 | World Journal of Nephrology2015，4，1： | 34 |
| 2 | Treatment strategy for gastric non-invasive intraepithelial neoplasia diagnosed by endoscopic biopsy显示文摘Treatment strategies,whether as follow-up or'total incisional biopsy'for gastric noninvasive intraepithelial neoplasia diagnosed by examination of an endoscopic forceps biopsy specimen,are controversial due to problems associated with the diagnostic accuracy of endoscopic forceps biopsy and questions about the safety and efficacy of endoscopic treatment.Based on the histological findings of the biopsy specimen,it is difficult to differentiate between reactive or regenerative changes,inflammation and neoplastic changes,intraepithelial and invasive tumors.Therefore,gastric neoplasia diagnosed as noninvasive intraepithelial often develop into invasive carcinoma during follow-up.Recent advances in endoscopic modalities and treatment devices,such as image-enhanced endoscopy and highfrequency generators,may make endoscopic treatment,such as endoscopic submucosal dissection(ESD),a therapeutic option for gastric intraepithelial neoplasia,including low-grade neoplasms.Future studies are required to evaluate whether ESD is a valid strategy for gastric intraepithelial neoplasm with regard to safety and cost effectiveness. | Tsutomu Nishida Shusaku Tsutsui Motohiko Kato Takuya Inoue Shunsuke Yamamoto Yoshito Hayashi Tomofumi Akasaka Takuya Yamada Shinichiro Shinzaki Hideki Iijima Masahiko Tsujii Tetsuo Takehara | 2011 | World Journal of Gastrointestinal Pathophysiology2011，2，6： | 18 |
| 3 | Comparative study of esomeprazole and lansoprazole in triple therapy for eradication of Helicobacter pylori in Japan显示文摘AIM:To evaluate the efficacy and safety of esomeprazole-based triple therapy compared with lansoprazole therapy as first-line eradication therapy for patients with Helicobacter pylori(H.pylori)in usual post-marketing use in Japan,where the clarithromycin(CAM)resistance rate is 30%.METHODS:For this multicenter,randomized,openlabel,non-inferiority trial,we recruited patients(≥20years of age)with H.pylori infection from 20 hospitals in Japan.We randomly allocated patients to esomeprazole therapy(esomeprazole 20 mg,CAM 400 mg,amoxicillin(AC)750 mg for the first 7 d,with all drugs given twice daily)or lansoprazole therapy(lansoprazole30 mg,CAM 400 mg,AC 750 mg for the first 7 d,with all drugs given twice daily)using a minimization method with age,sex,and institution as adjustment factors.Our primary outcome was the eradication rate by intention-to-treat(ITT)and per-protocol(PP)analyses.H.pylori eradication was confirmed by a urea breath test from 4 to 8 wk after cessation of therapy.RESULTS:ITT analysis revealed the eradication rates of 69.4%(95%CI:61.2%-76.6%)for esomeprazole therapy and 73.9%(95%CI:65.9%-80.6%)for lansoprazole therapy(P=0.4982).PP analysis showed eradication rate of 76.9%(95%CI:68.6%-83.5%)for esomeprazole therapy and 79.8%(95%CI:71.9%-86.0%)for lansoprazole therapy(P=0.6423).There were no differences in adverse effects between the two therapies.CONCLUSION:Esomeprazole showed non-inferiority and safety in a 7 day-triple therapy for eradication of H.pylori compared with lansoprazole. | Tsutomu Nishida Masahiko Tsujii Hirohisa Tanimura Shusaku Tsutsui Shingo Tsuji Akira Takeda Atsuo Inoue Hiroyuki Fukui Toshiyuki Yoshio Osamu Kishida Hiroyuki Ogawa Masahide Oshita Ichizo Kobayashi Shinichiro Zushi Makoto Ichiba Naoto Uenoyama Yuichi Yasunaga Ryu Ishihara Mamoru Yura Masato Komori Satoshi Egawa Hideki Iijima Tetsuo Takehara | 2014 | World Journal of Gastroenterology2014，20，15： | 13 |
| 4 | Helicobacter pylori eradication to prevent gastric cancer: underlying molecular and cellular mechanisms显示文摘众多的细胞、分子的事件在胃的癌症的开发被描述了。在这篇文章,我们 Helicobacter pylori (H pylori ) 的 overviewed 角色一些在胃的致癌作用的重要事件上的感染并且讨论了这些细胞、分子的事件是否在感染的痊愈以后是可逆的。有几个细菌的部件,影响胃的致癌作用的胃的上皮的动力学和提升。细菌也增加基因不稳定性和变化的风险由于没有并且另外的反应的氧种类。肿瘤的渐成说 silencing 压制或象 RUNX3 那样的基因可以与肠的组织变形改变那些的胃腺的显型变化的频率。象生长因素, cytokines 和 COX-2 的增加的表示那样的主机因素也在 H pylori 积极的题目在非癌的织物被报导了。大多数上述现象在感染的痊愈以后被颠倒,是引人注目的。然而,他们的一些包括在 COX-2 的表示上继续存在并且可以为致癌作用增加风险在甚至在成功的 H pylori 根除以后遇见了无形或发育异常的的粘膜。因此, H pylori 根除不能完全为胃的致癌作用废除风险。胃的癌症取决于预定和目标人口的在压制的感染的痊愈的效率,和保证推进调查。 | Shingo Tsuji Masahiko Tsujii Hiroaki Murata Tsutomu Nishida Masato Komori Masakazu Yasumaru Shuji Ishii Yoshiaki Sasayama Sunao Kawano Norio Hayashi | 2006 | World Journal of Gastroenterology2006，12，11： | 7 |
| 5 | Choroidal and cutaneous metastasis from gastric adenocarcinoma显示文摘Choroidal or cutaneous metastasis of gastric cancer is rare. Gastrointestinal cancer was found in only 4% in patients with uveal metastasis. Choroidal metastasis from gastric cancer was reported in two cases in earlier literature. The frequency of gastric cancer as a primary lesion was 6% in cutaneous metastasis of men, and cutaneous metastasis occurs in 0.8% of all gastric cancers. We report a patient with gastric adenocarcinoma who presented with visual disorder in his left eye and skin pain on his head as his initial symptoms. These symptoms were diagnosed to be caused by choroidal and cutaneous metastasis of gastric adenocarcinoma. Two cycles of chemotherapy consisted of oral S-1 and intravenous cisplatin (SPIRITS regimen); this was markedly effective to reduce the primary gastric lesion and almost all the metastatic lesions. | Shoichiro Kawai Tsutomu Nishida Yoshito Hayashi Hisao Ezaki Takuya Yamada Shinichiro Shinzaki Masanori Miyazaki Kei Nakai Takayuki Yakushijin Kenji Watabe Hideki Iijima Masahiko Tsujii Kohji Nishida Tetsuo Takehara | 2013 | World Journal of Gastroenterology2013，19，9： | 6 |
| 6 | Alterations in cellular adhesion and apoptosis in epithelial cells overexpressing prostaglandin endoperoxide synthase 2显示文摘 | Tsujii M Raymond N Dubois | | 0，，： | 5 |
| 7 | Esophageal early basaloid squamous carcinoma with unusual narrowband imaging magnified endoscopy findings显示文摘Basaloid squamous carcinoma(BSC)is a rare variant of esophageal cancer.There are very few reports of'early'BSC.Here we report a case of early BSC with unusual findings by narrowband imaging magnified endoscopy(NBI-ME).A 70-year-old man with a middle thoracic esophageal tumor was referred to our hospital.White-light endoscopy revealed a reddish depressed lesion 5 mm in diameter having a subepithelial tumor-like prominence with a gentle rising slope.NBI-ME revealed irregular loop-shaped microvessels coexistent with thick irregularly branched non-looped vessels.Iodine staining revealed a pale brown lesion.We performed endoscopic submucosal dissection for diagnostic treatment.Histologic examination showed the proliferation of basal cell-like hyperchromatic tumor cells in the lamina propria and with slight invasion into the submucosa at a depth of 320μm.The tumor cells formed solid nests and microcystic structures,containing an Alcian blue-positive mucoid matrix.The surface was covered with squamous epithelium without cellular atypia.Thin vessels were observed in the intra-epithelial papilla and thick vessels were observed around the solid nests beneath the epithelium.Based on these findings together,we diagnosed the lesion as BSC.In this case,the NBI-ME findings differed from those of typical squamous cell carcinoma in that both non-invasive cancer-like irregular loop-shaped microvessels coexisted with massively invasive cancerlike thick non-looped vessels.We speculate that the looped and non-looped vessels observed by NBI-ME histologically corresponded to thin vessels in the intraepithelial papilla and thick vessels around the tumor nests,respectively.These NBI-ME findings might be a feature of early esophageal BSC. | Yugo Kai Motohiko Kato Yoshito Hayashi Tomofumi Akasaka Shinichiro Shinzaki Tsutomu Nishida Masahiko Tsujii Eiichi Morii Tetsuo Takehara | 2014 | World Journal of Gastroenterology2014，20，35： | 4 |
| 8 | Endoscopic submucosal dissection in early gastric cancer in elderly patients and comorbid conditions显示文摘The prognosis of early gastric cancer(EGC) is good if there is no concomitant lymph node metastasis. Therefore, the early detection of EGC is important to improve the prognosis of patients with gastric cancer. In Japan, 40% to 50% of all gastric cancers are EGC, and endoscopic submucosal dissection(ESD) is widely accepted as a local treatment for these lesions, particularly for large lesions that at one time were an indication for gastrectomy because of the difficulty of en-bloc resection. Consequently, this procedure can preserve the entire stomach and the patient's postoperative quality of life. ESD has become a general technique with improved procedures and devices, and has become the preferred treatment for EGC rather than gastrectomy. Therefore, ESD may demonstrate many advantages in patients who have several comorbidities, particularly elderly population, patients taking antithrombotic agents, or patients with chronic kidney disease, or liver cirrhosis. However, it is not yet clear whether patients with both EGC and comorbidities are feasible candidates for ESD and whether they would consequently be able to achieve a survival benefit after ESD. In this review, we discuss the clinical problems of ESD in patients with EGC and those comorbid conditions. | Tsutomu Nishida Motohiko Kato Toshiyuki Yoshio Tomofumi Akasaka Teppei Yoshioka Tomoki Michida Masashi Yamamoto Shiro Hayashi Yoshito Hayashi Masahiko Tsujii Tetsuo Takehara | 2015 | World Journal of Gastrointestinal Endoscopy2015，7，5： | 4 |
| 9 | Endoscopic surveillance strategy after endoscopic resection for early gastric cancer显示文摘Early detection of early gastric cancer(EGC)is important to improve the prognosis of patients with gastric cancer.Recent advances in endoscopic modalities and treatment devices,such as image-enhanced endoscopy and high-frequency generators,may make endoscopic treatment,such as endoscopic submucosal dissection,a therapeutic option for gastric intraepithelial neoplasia.Consequently,short-term outcomes of endoscopic resection(ER)for EGC have improved.Therefore,surveillance with endoscopy after ER for EGC is becoming more important,but how to perform endoscopic surveillance after ER has not been established,even though the follow-up strategy for more advanced gastric cancer has been outlined.Therefore,a surveillance strategy for patients with EGC after ER is needed. | Tsutomu Nishida Masahiko Tsujii Motohiko Kato Yoshito Hayashi Tomofumi Akasaka Hideki Iijima Tetsuo Takehara | 2014 | World Journal of Gastrointestinal Pathophysiology2014，5，2： | 4 |
| 10 | Cyclooxygenase-2 expression in human colon cancer cells increases metastatic potential显示文摘 | Tsujii M Kawano S Dubois RN | | 0，，： | 3 |
| 11 | Clinical features and outcomes of delayed perforation after endoscopic submucosal dissection for early gastric cancer显示文摘 | N. Hanaoka N. Uedo R. Ishihara K. Higashino Y. Takeuchi T. Inoue R. Chatani M. Hanafusa Y. Tsujii H. Kanzaki N. Kawada H. Iishi M. Tatsuta Y. Tomita I. Miyashiro M. Yano | 2010 | Endoscopy2010，，12： | 3 |
| 12 | Microstructure analysis and thermoelectric properties of iron doped CuGaTe_(2)显示文摘Chalcopyrite related compounds have attracted much attention in recent years due to their promising thermoelectric properties.In this research we report Fe doping in chalcopyrite-type CuGaTe_(2)and its influence on structural and thermal transport properties.We synthesized polycrystalline samples with composition CuGa_(1-x)Fe_(x)Te_(2)with x=0.0 to 0.05 by spark plasma sintering method.For structural analysis powder X-ray diffraction and electron probe micro analysis were employed.Solubility of Fe in CuGaTe_(2)was found to be very small,and other phases like FeTe_(2)and CuTe were identified.Thermal conductivity showed a significant decrease with the addition of Fe up to x=0.02,which started to increase for x≥0.03.On the other hand,the addition of Fe caused slight increase in the power factor from 1.3mW/K^(2)m for x=0.0 to 1.6 mW/K^(2)m for x=0.02 at T=770 K.As a result,ZT peak value of 0.92 is recorded for x=0.02 at 870 K,which corresponds to an enhancement of 60%from that of non-doped CuGaTe_(2).This work demonstrates that thermoelectric properties of compositematerials can be greatly improved by controlling its microstructure. | Fahim Ahmed Naohito Tsujii Takao Mori | 2018 | Journal of Materiomics2018，4，3： | 3 |
| 13 | 前列腺癌重碳离子放疗计划与调强放疗计划的比较显示文摘目的比较前列腺癌重碳离子放疗(C-ion RT)与调强放疗(IMRT)在剂量学方面的差异。方法随机选取5例前列腺癌患者,分别设计4野共面的C-ion RT计划和7野共面的IMRT计划。剂量均采用百分剂量,95%的等剂量面必须包括100%的计划靶体积(PTV)。比较靶区剂量分布的适形度指数(CI)和异质性指数(IC),根据剂量体积直方图(DVH),比较相同剂量水平下C-ion RT计划与IMRT计划中周围器官及非靶区正常组织的照射体积。结果在C-ion RT计划中,CI_(50%)、CI_(95%)、IC分别为3.36、1.20和0.03,与IMRT计划比较差异有统计学意义(P均<0.01),靶区剂量分布的CI和IC均优于IMRT计划。除了95%的剂量水平外,在10%、30%、50%、70%和90%剂量水平,采用C-ion RT均可明显减少直肠的受照射体积(P均<0.05),同时完全保护直肠的后壁;在任何剂量水平,C-ion RT可明显减少膀胱和非靶区正常组织的受照射体积(P均<0.05);在10%、20%、30%和40%剂量水平,C-ion RT可明显减少双侧股骨头的受照射体积(P均<0.05)。结论在前列腺癌的放射治疗中,与IMRT计划相比,C-ion RT计划在剂量学方面有明显优势,C-ion RT的这些优势将能够进一步提高前列腺癌的局部控制率,减少放疗引起的并发症。 | 王维虎 Hiroshi Tsuji Hitoshi Ishikawa Hirohiko Tsujii Tadashi Kamada Junetsu Mizoe 李晔雄 | 2006 | 中华肿瘤杂志2006，28，11： | 3 |
| 14 | Percutaneous endoscopic gastrostomy under steadypressure automatically controlled endoscopy:First clinicalseries显示文摘AIM: To elucidate the safety of percutaneous endoscopic gastrostomy(PEG) under steady pressure automatically controlled endoscopy(SPACE) using carbon dioxide(CO_2).METHODS: Nine patients underwent PEG with a modified introducer method under conscious sedation. A T-tube was attached to the channel of an endoscope connected to an automatic surgical insufflator. The stomach was inflated under the SPACE system. The intragastric pressure was kept between 4-8 mmH g with a flow of CO_2 at 35 L/min. Median procedure time, intragastric pressure, median systolic blood pressure, partial pressure of CO_2, abdominal girth before and immediately after PEG, and free gas and small intestinal gas on abdominal X-ray before and after PEG were recorded. RESULTS: PEG was completed under stable pneumostomach in all patients, with a median procedural time of 22 min. Median intragastric pressure was 6.9 mmH g and median arterial CO_2 pressure before and after PEG was 42.1 and 45.5 Torr(NS). The median abdominal girth before and after PEG was 68.1 and 69.6 cm(NS). A mild free gas image after PEG was observed in two patients, and faint abdominal gas in the downstream bowel was documented in two patients.CONCLUSION: SPACE might enable standardized pneumostomach and modified introducer procedure of PEG. | Hiroyuki Imaeda Kiyokazu Nakajima Naoki Hosoe Masanori Nakahara Shinichiro Zushi Motohiko Kato Kazuhiro Kashiwagi Yasushi Matsumoto Kayoko Kimura Rieko Nakamura Norihito Wada Masahiko Tsujii Naohisa Yahagi Toshifumi Hibi Takanori Kanai Tetsuo Takehara Haruhiko Ogata | 2016 | World Journal of Gastrointestinal Endoscopy2016，8，3： | 2 |
| 15 | Adiponectin Inhibits Murine Pancreatic Cancer Growth显示文摘 | Motohiko Kato Kenji Watabe Masahiko Tsujii Tohru Funahashi Iichiro Shimomura Tetsuo Takehara | 2014 | Digestive Diseases and Sciences2014，，6： | 2 |
| 16 | Host cyclooxygenase-2 modulates carcinoma growth显示文摘 | Williams CS Tsujii M Reese J | | 0，，： | 2 |
| 17 | Clinical problems with antithrombotic therapy for endoscopic submucosal dissection for gastric neoplasms显示文摘Endoscopic submucosal dissection(ESD) is minimally invasive and thus has become a widely accepted treatment for gastric neoplasms,particularly for patients with comorbidities.Antithrombotic agents are used to prevent thrombotic events in patients with comorbidities such as cardio-cerebrovascular diseases and atrial fibrillation.With appropriate cessation,antithrombotic therapy does not increase delayed bleeding in low thrombosis-risk patients.However,high thrombosisrisk patients are often treated with combination therapy with antithrombotic agents and occasionally require the continuation of antithrombotic agents or heparin bridge therapy(HBT) in the perioperative period.Dual antiplatelet therapy(DAPT),a representative combination therapy,is frequently used after placement of drug-eluting stents and has a high risk of delayed bleeding.In patients receiving DAPT,gastric ESD may be postponed until DAPT is no longer required.HBT is often required for patients treated with anticoagulants and has an extremely high bleeding risk.The continuous use of warfarin or direct oral anticoagulants may be possible alternatives.Here,we show that some antithrombotic therapies in high thrombosis-risk patients increase delayed bleeding after gastric ESD,whereas most antithrombotic therapies do not.The management of high thrombosis-risk patients is crucial for improved outcomes. | Toshiyuki Yoshio Tsutomu Nishida Yoshito Hayashi Hideki Iijima Masahiko Tsujii Junko Fujisaki Tetsuo Takehara | 2016 | World Journal of Gastrointestinal Endoscopy2016，8，20： | 2 |
| 18 | CagA mediates epigenetic regulation to attenuate let-7 expression in Helicobacter pylori-related carcinogenesis显示文摘 | Yoshito Hayashi Masahiko Tsujii Jun Wang Jumpei Kondo Tomofumi Akasaka Ying Jin Wei Li Toru Nakamura Tsutomu Nishida Hideki Iijima Shingo Tsuji Sunao Kawano Norio Hayashi Tetsuo Takehara | 2013 | Gut2013，，11： | 2 |
| 19 | Repair Effect of Hot Work Tool Steel by Laser-Melting Process显示文摘Both wear and crack due to heat checking in hot work tool steel are major failure modes. It is desirable to find amethod to lengthen the tool life while reducing manufacturing cost. This paper suggests a method to improve toollife for hot work tool steel (SKD6) with crack by laser-melting process. The method has been evaluated using theimpact and fatigue test results. It is demonstrated that a repair of the crack by a laser-melting process is effectivefor life extension of the damaged tool. | Yahong SUN Satoshi HANAKI Hitoshi UCHIDA Hisakichi SUNADA Nobuhiro TSUJII | 2003 | Journal of Materials Science & Technology2003，19，z1： | 2 |
| 20 | Cyclooxygenase regulates angiogenesis induced by colon cancer cells显示文摘 | Tsujii M Kawano S Tsuji S | | 0，，05： | 2 |
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