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| 1 | Stratifying the risk of lymph node metastasis in undifferentiated-type early gastric cancer显示文摘AIM:To study how lymph node metastasis(LNM) risk is stratified in undifferentiated-type early gastric cancer(undiff-EGC) dependent on combinations of risk factors.METHODS:Five hundred and sixty-seven cases with undiff-EGC undergoing gastrectomy with lymphadenectomy were examined retrospectively.Using clinicopathological factors of patient age,location,size,an endoscopic macroscopic tumor form,ulceration,depth,histology,lymphatic involvement(LI) and venous involvement(VI),LNM risk was examined and stratified by conventional statistical analysis and datamining analysis.RESULTS:LNM was positive in 44 of 567 cases(7.8%).Univariate analysis revealed > 2 cm,protrusion,submucosal(sm),mixed type,LI and VI as significant prognostic factors and > 2 cm and LI-positive were independent factors by multivariate analysis.In preoperatively evaluable factors excluding LVI,sm and > 2 cm were independent factors.According to the depth and size,cases were categorized into the low-risk group [m and ≤ 2 cm,0%(LNM incidence)],the moderaterisk group(m and > 2 cm,5.6%; and sm and ≤ 2 cm,6.0%),and the high-risk group(sm and > 2 cm,19.3%).On the other hand,LNM occurred in 1.4% in all LI-negative cases,greatly lower than 28.2% in all LI-positive cases,and LNM incidence was low in LInegative cases even in the moderate- and high-risk groups.CONCLUSION:LNM-related factors in undiff-EGC were depth and size preoperatively while those were LI and size postoperatively.Among these factors,LI was the most significantly correlated factor. | Yukiko Asakawa Masahiko Ohtaka Shinya Maekawa Mitsuharu Fukasawa Yasuhiro Nakayama Tatsuya Yamaguchi Taisuke Inoue Tomoyoshi Uetake Minoru Sakamoto Tadashi Sato Yoshihiko Kawaguchi Hideki Fujii Kunio Mochizuki Masao Hada Toshio Oyama Tomotaka Yasumura Kosaku Omata Atsushi Nishiyama Keiichi Naito Hideo Hata Yoshiaki Haba Kazuyuki Miyata Haruhisa Saitoh Yoichi Yamadera Kazuo Miura Akira Kawaoi Tohru Abe Hajime Tsunoda Yuji Honda Masayuki Kurosaki Nobuyuki Enomoto | 2015 | World Journal of Gastroenterology2015，21，9： | 8 |
| 2 | Characteristics of gas-liquid pulsed discharge plasma reactor and dye decoloration efficiency显示文摘The pulsed high-voltage discharge is a new advanced oxidation technology for water treatment. Methyl Orange (MO) dye wastewater was chosen as the target object. Some investigations were conducted on MO decoloration including the discharge characteristics of the multi-needle reactor, parameter optimization, and the degradation mechanism. The following results were obtained. The color group of the azo dye MO was effectively decomposed by water surface plasma. The decoloration rate was promoted with the increase of treatment time, peak voltage, and pulse frequency. When the initial conductivity was 1700 μS/cm, the decoloration rate was the highest. The optimum distance between the needle electrodes and the water surface was 1 mm, the distance between the grounding electrode and the water surface was 28 mm, and the number of needle electrodes and spacing between needles were 24 and 7.5 mm, respectively. The decoloration rate of MO was affected by the gas in the reactor and varied in the order oxygen > air> argon > nitrogen, and the energy yield obtained in this investigation was 0.45 g/kWh. | Nyein Nyein Aye Masayuki Sato | 2012 | Journal of Environmental Sciences2012，24，5： | 6 |
| 3 | Familial pancreatic cancer: Concept, management and issues显示文摘Familial pancreatic cancer (FPC) is broadly defined as two first-degree-relatives with pancreatic cancer (PC) and accounts for 4%-10% of PC. Several genetic syndromes, including Peutz-Jeghers syndrome, hereditary pancreatitis, hereditary breast-ovarian cancer syndrome(HBOC), Lynch syndrome, and familial adenomatous polyposis (FAP), also have increased risks of PC, but the narrowest definition of FPC excludes these known syndromes. When compared with other familial tumors, proven genetic alterations are limited to a small proportion (<20%) and the familial aggregation is usually modest. However, an ethnic deviation (Ashkenazi Jewish>Caucasian) and a younger onset are common also in FPC. In European countries, 'anticipation' is reported in FPC families, as with other hereditary syndromes; a trend toward younger age and worse prognosis is recognized in the late years. The resected pancreases of FPC kindred often show multiple pancreatic intraepithelial neoplasia (Pan IN) foci, with various K-ras mutations, similar to colorectal polyposis seen in the FAP patients. As with HBOC patients, a patient who is a BRCA mutation carrier with unresectable pancreatic cancer (accounting for 0%-19% of FPC patients) demonstrated better outcome following platinum and Poly (ADP-ribose) polymerase inhibitor treatment. Western countries have established FPC registries since the 1990 s and several surveillance projects for highrisk individuals are now ongoing to detect early PCs. Improvement in lifestyle habits, including non-smoking, is recommended for individuals at risk. In Japan, the FPC study group was initiated in 2013 and the Japanese FPC registry was established in 2014 by the Japan Pancreas Society. | Hiroyuki Matsubayashi Kyoichi Takaori Chigusa Morizane Hiroyuki Maguchi Masamichi Mizuma Hideaki Takahashi Keita Wada Hiroko Hosoi Shinichi Yachida Masami Suzuki Risa Usui Toru Furukawa Junji Furuse Takamitsu Sato Makoto Ueno Yoshimi Kiyozumi Susumu Hijioka Nobumasa Mizuno Takeshi Terashima Masaki Mizumoto Yuzo Kodama Masako Torishima Takahisa Kawaguchi Reiko Ashida Masayuki Kitano Keiji Hanada Masayuki Furukawa Ken Kawabe Yoshiyuki Majima Toru Shimosegawa | 2017 | World Journal of Gastroenterology2017，23，6： | 5 |
| 4 | Helicobacter pylori infection and gastropathy:A comparison between Indonesian and Japanese patients显示文摘AIM:To compare the effects of Helicobacter pylori(H pylori) infection on gastropathy between Indonesian and Japanese patients.METHODS:Biopsy specimens were obtained during upper gastrointestinal endoscopy from 167 subjects(125 Indonesians and 42 Japanese) with uninvestigated symptoms of dyspepsia.The specimens were analyzed for the presence of H pylori using urease analysis,histopathology,and cell culture.The grade and activity of gastritis was assessed using the updated Sydney system.RESULTS:The percentages of Indonesian and Japanese patients who were H pylori-positive at the antrum or body of the stomach were similar(68% and 59.5%,respectively;P=0.316).Of those who were H pylori-positive,more Japanese patients than Indonesian patients had high levels of polymorphonuclear cells(P=0.001),mononuclear cells(P=0.013),glandular atrophy(P=0.000),and intestinal metaplasia(P=0.011) in both the antrum and body of the stomach.CONCLUSION:The grade of gastritis and prevalence of mucosal atrophy and intestinal metaplasia were higher in Japanese patients.The difference between Indonesian and Japanese patients was signifi cant. | Murdani Abdullah Hiroyuki Ohtsuka Abdul Aziz Rani Tadashi Sato Ari F Syam Masayuki A Fujino | 2009 | World Journal of Gastroenterology2009，15，39： | 2 |
| 5 | Environmental and biotechnological applications of high-voltage pulsed discharges in water显示文摘 | Masayuki Sato | 2008 | Plasma Sources Science and Technology2008，17，7： | 1 |
| 6 | Oxidative processes occurring When pulsed high voltage discharges degrade phenol in aqueous solution显示文摘 | Bing Sun Sato Masayuki Clements J S | 2000 | Journal: Environmental science & technology2000，34，3： | 1 |
| 7 | Transmesosigmoid Hernia: Report of a Case显示文摘 | Takamitsu Sasaki Koutaro Sakai Daisuke Fukumori Masayuki Sato Hitoshi Ohmori Fumio Yamamoto | 2002 | Surgery Today2002，，12： | 1 |
| 8 | Advanced oxidation process using pulsed streamer corona discharge in water显示文摘 | Anto Tri Sugiargo Takayuki Ohshima Masayuki Sato | 2003 | Thin Solid Films2003，407，2： | 1 |
| 9 | Pulsed plasma processing of organic compounds in aqueous solution显示文摘 | Anto Tri Sugiarto Masayuki Sato | 2001 | Thin Solid Films2001，386，2： | 1 |
| 10 | Therapeutic effects of TAK-242, a novel selective Toll-like receptor 4 signal transduction inhibitor, in mouse endotoxin shock model显示文摘 | Takukyu Sha Mie Sunamoto Tomoyuki Kitazaki Jun Sato Masayuki Ii Yuji Iizawa | 2007 | European Journal of Pharmacology2007，，： | 1 |
| 11 | Environmental and biotechnological applications of high-voltage pulsed discharges in water显示文摘 | Masayuki Sato | | 0，，07： | 1 |
| 12 | Oxidative processes occurring when pulsed high voltage discharges degrade phenol in aqueous solution显示文摘 | Bing Sun Sato Masayuki Clements J S | | 0，，03： | 1 |
| 13 | Formation of chemical species and their effects on microorganisms using a pulsed high-voltage discharge in water显示文摘 | Masayuki Sato Takashi Ohgiyama Clements J S | 1996 | IEEE Trans Ind Appl1996，32，1： | 1 |
| 14 | Propofol-mediated impairment of CA1 long-term potentiation in mouse hippocampal slices显示文摘 | Isao Takamatsu Masayuki Sekiguchi Keiji Wada Tetsuo Sato Makoto Ozaki | 2005 | Neuroscience Letters2005，，3： | 1 |
| 15 | Autoimmune Pancreatitis With F-18 Fluoro-2-deoxy-D-Glucose PET Findings显示文摘 | YUJI NAKAMOTO HARUMI SAKAHARA TATSUYA HIGASHI TSUNEO SAGA NORIKO SATO KAZUICHI OKAZAKI MASAYUKI IMAMURA JUNJI KONISHI | 1999 | Clinical Nuclear Medicine1999，，10： | 1 |
| 16 | Advanced oxidation processes using pulsed streamer corona discharge in water显示文摘 | Anto Tri Sugiarto Takayuki Ohshima Masayuki Sato | 2002 | Thin SolidFilras2002，407，： | 1 |
| 17 | Suppression of chromium depletion by grain boundary structural change during twin-induced grain boundary engineering of 304 stainless steel显示文摘 | Hong Yun Bi Hiroyuki Kokawa Zhan Jie Wang Masayuki Shimada Yutaka S. Sato | 2003 | Scripta Materialia2003，，3： | 1 |
| 18 | Effects of melatonin on the proliferation and cisdiamminedicbloroplatinum (CDDP)sensitivity of cultured huinan ovarian cancer cells 显示文摘 | Masayuki Futagami Shigemi Sato Tomomi Sakamoto | 2001 | CynecolOncol2001，82，3： | 1 |
| 19 | Environmental and biotechnological applications of high-voltage pulsed discharges in water显示文摘 | Masayuki Sato | 2008 | Plasma Sources Science and Technology2008，，2： | 1 |
| 20 | Fomation of chemical species and their effects on microorganisms using a pulsed high-voltage discharge in water显示文摘 | Masayuki Sato Takashi Ohgiyama Clements J S | 1996 | IEEE Transactions on Industry Applications1996，32，1： | 1 |
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