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Hot snare polypectomy vs endoscopic mucosal resection using bipolar snare for intermediate size colorectal lesions:Propensity score matching

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World Journal of Gastroenterology 2023年第23期29卷 3668-3677页

作者： Nobuhisa Minakata Tatsuro Murano Masashi Wakabayashi Maasa Sasabe Takashi Watanabe Tomohiro Mitsui Hiroki Yamashita Atsushi Inaba hironori sunakawa Keiichiro Nakajo Tomohiro Kadota Kensuke Shinmura Hiroaki Ikematsu Tomonori Yano Department of Gastroenterology and Endoscopy National Cancer Center Hospital EastKashiwa 2778577ChibaJapan Department of Biostatistics Division Center for Research Administration and SupportNational Cancer CenterKashiwa 2778577ChibaJapan

BACKGROUND Endoscopic resection(ER)with bipolar snare,in which the electric current only passes through the tissue between the device’s two electrodes,is a prominent method used to prevent perforation due to electricity *** using bipolar snare with or without submucosal injection enabled safe resection of colorectal lesions measuring 10-15 mm in an ex vivo porcine *** with bipolar snare is expected to have good treatment outcomes in 10-15 mm colorectal lesions,with high safety even without submucosal ***,no clinical reports have compared treatment outcomes with and without submucosal *** To compare the treatment outcomes of bipolar polypectomy with hot snare polypectomy(HSP)to those with endoscopic mucosal resection(EMR).METHODS In this single-centre retrospective study,we enrolled 10-15 mm nonpedunculated colorectal lesions(565 Lesions in 463 patients)diagnosed as type 2A based on the Japan Narrow-band Imaging Expert Team classification,resected by either HSP or EMR between January 2018 and June 2021 at the National Cancer Center Hospital *** were divided into HSP and EMR groups,and propensity score matching was *** the matched cohort,en bloc and R0 resection rates and adverse events were compared between the two *** Of the 565 lesions in 463 patients,117 lesions each in the HSP and EMR groups were selected after propensity score *** the original cohort,there was a significant difference in antithrombotic drug use(P<0.05),lesion size(P<0.01),location(P<0.01),and macroscopic type(P<0.05)between the HSP and EMR *** the matched cohort,the en bloc resection rates were comparable between both groups[93.2%(109/117)vs 92.3%(108/117),P=0.81],and there was no significant difference in the R0 resection rate[77.8%(91/117)vs 80.3%(94/117),P=0.64].The incidence of delayed bleeding was similar in both groups[1.7%(2/117)].Perforation occurred in the EMR group[0.9%(1/117)]but not in the HSP ***

关键词： Adenoma Cohort studies Colonoscopy Colorectal cancer Endoscopic mucosal resection Treatment outcome

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Prospective real-time evaluation of diagnostic performance using endocytoscopy in differentiating neoplasia from nonneoplasia for colorectal diminutive polyps(≤ 5 mm)

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World Journal of Gastrointestinal Oncology 2018年第4期10卷 96-102页

作者： Takahiro Utsumi Yasushi Sano Mineo Iwatate hironori sunakawa Akira Teramoto Daizen Hirata Santa Hattori Wataru Sano Noriaki Hasuike Kazuhito Ichikawa Takahiro Fujimori Gastrointestinal Center and Institute of Minimally Invasive Endoscopic Care (iMEC) Sano Hospital Department of Pathology Shinko Hospital

AIM To clarify the diagnostic performance of endocytoscopy for differentiation between neoplastic and nonneoplastic colorectal diminutive *** Patients who underwent endocytoscopy between October and December 2016 at Sano Hospital were prospectively recruited. When diminutive polyps(≤5 mm) were detected, the lesions were evaluated by endocytoscopy after being stained with 0.05% crystal violet and 1% methylene blue. The diminutivepolyps were classified into five categories(EC 1 a, 1 b, 2, 3 a, and 3 b). Endoscopists were asked to take a biopsy from any lesion diagnosed as EC1 b(indicator of hyperplastic polyp) or EC2(indicator of adenoma). We have assessed the diagnostic performance of endocytoscopy for EC2 and EC1 b lesions by comparison with the histopathology of the biopsy specimen. RESULTS A total of 39 patients with 63 diminutive polyps were analyzed. All polyps were evaluated by endocytoscopy. The mean polyp size was 3.3 ± 0.9 mm. Among the 63 diminutive polyps, 60 were flat and 3 were pedunculated. The mean time required for EC observation, including the time for staining with crystal violet and methylene blue, was 3.0 ± 1.9 min. Histopathologic evaluation showed that 13 polyps were hyperplastic and 50 were adenomas. The sensitivity, specificity, accuracy, positive predictive value, and negative predictive value of EC2 for adenoma compared with EC1 b for hyperplastic polyp were 98.0%, 92.3%, 96.8%, 98.0% and 92.3%, respectively. There were only two cases of disagreement between the endoscopic diagnosis made by endocytoscopy and the corresponding histopathological *** Endocytoscopy showed a high diagnostic performance for differentiating between neoplastic and non-neoplastic colorectal diminutive polyps, and therefore has the potential to be used for "real-time histopathology".

关键词： Endocytoscopy Diagnostic performance Diminutive polyp Endocytoscopic classification Realtime histopathology

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SPERA Hydrogen System^(TM)by LOHC-MCH Method for Massive Hydrogen Storage and Transportation

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Journal of Environmental Science and Engineering(A) 2024年第2期13卷 50-60页

作者： Yoshimi Okada Kaji Naohiro Osamu Ikeda Kenichi Imagawa hironori Kawai Masashi Nagai Yasuhiro Inoue Frontier Business Division Chiyoda Corporation4-6-2 Minatomirai Nishi-kuYokohama 2208765Japan Hydrogen Business Department Chiyoda Corporation4-6-2 Minatomirai Nishi-kuYokohama 2208765Japan R&D Center Chiyoda Corporation3-13 Moriya-cho Kanagawa-kuYokohama 2208765Japan Technology Development Department Chiyoda Corporation4-6-2 Minatomirai Nishi-kuYokohama 2208765Japan

Expanding the hydrogen energy utilization is essential for decarbonization,and the commercialization of hydrogen energy carrier systems that can“store”and“transport”hydrogen in a large scale is *** organic chemical hydride method incorporates hydrogen atoms into the molecular structure of a LOHC(Liquid Organic Hydrogen Carrier)to store and transport hydrogen in a liquid state under normal temperature and pressure,and is a highly safe method with low business *** has been developing the technology since 2002,completed a pilot demonstration in 2014 and named it the SPERA Hydrogen^(TM) System,and successfully completed an international supply chain demonstration that transports hydrogen from Brunei to Japan in a large scale in 2020,moving to the commercialization ***,Chiyoda is conducting feasibility studies with a number of domestic and foreign companies with the aim of commercializing the system as soon as *** this paper,outline,features,development status and our efforts in commercialization of SPERA HydrogenTM System are introduced.

关键词： Hydrogen carrier LOHC Methylcyclohexane MCH toluene

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Beyond management to conquer life-threatening tumor thrombosis in hepatocellular carcinoma

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Hepatobiliary Surgery and Nutrition 2022年第5期11卷 773-774页

作者： hironori Koga Division of Gastroenterology Department of MedicineKurume University School of MedicineKurumeJapan

Hepatic vein tumor thrombus(HVTT),together with portal vein tumor thrombus(PVTT),is a major determinant of survival outcome in patients with advanced hepatocellular carcinoma(HCC).HVTT can be an oncologic emergency,especially when it invades beyond IVC into the right atrium,where it can cause sudden death from pulmonary *** studies using large numbers of patients are generally difficult in this relatively rare and urgent *** this context,the multicenter study conducted by Chen et *** significant,albeit retrospective(1).

关键词： hepatocellular thrombus al.

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Abstract security patterns and the design of secure systems

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Cybersecurity 2022年第3期5卷 1-17页

作者： Eduardo B.Fernandez Nobukazu Yoshioka hironori Washizaki Joseph Yoder Department of Electrical Engineering and Computer Science Florida Atlantic UniversityBoca RatonFLUSA GRACE Center National lnstitute of lnformaticsTokyoJapan Waseda University TokyoJapan The Refactory IncUrbanaILUSA

During the initial stages of software development,the primary goal is to define precise and detailed requirements without concern for software *** constraints should be introduced then and must be based on the semantic aspects of applications,not on their software architectures,as it is the case in most secure development *** these stages,we need to identify threats as attacker goals and indicate what conceptual security defenses are needed to thwart these goals,without consideration of implementation *** can consider the effects of threats on the application assets and try to find ways to stop *** threats should be controlled with abstract security mechanisms that can be realized by abstract security patterns(ASPs),that include only the core functions of these mechanisms,which must be present in every implementation of *** abstract security pattern describes a conceptual security mechanism that includes functions able to stop or mitigate a threat or comply with a regulation or institutional *** describe here the properties of ASPs and present a detailed *** relate ASPs to each other and to Security Solution Frames,which describe families of related *** show how to include ASPs to secure an application,as well as how to derive concrete patterns from ***,we discuss their practical value,including their use in“security by design”and IoT systems design.

关键词： Security patterns Secure software development Security requirements Secure software architecture loT systems design

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Recurrence of unilateral angioedema of the tongue:A case report

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世界临床病例杂志 2023年第27期11卷 6603-6612页

作者： Yuki Matsuhisa Tsuneaki Kenzaka hironori Shimizu Hideo Hirose Tadao Gotoh Department of General Medicine Center for Community Medicine in North-Western Gifu Prefecture National Health Insurance Shirotori HospitalGujo 501-5122Japan Department of Pediatrics Center for Community Medicine in North-Western Gifu Prefecture National Health Insurance Shirotori HospitalGujo 501-5122Japan Department of Internal Medicine Hyogo Prefectural Tamba Medical CenterTamba 669-3495Japan Division of Community Medicine and Career Development Kobe University Graduate School of MedicineKobe 652-0032Japan

BACKGROUND Angioedema is a disorder characterized by edema of the face,lips,tongue,and extremities due to increased vascular *** of the tongue usually occurs bilaterally,and the incidence of unilateral angioedema of the tongue is *** study reports a rare case of unilateral angioedema of the tongue with no identifiable cause and repeated recurrence even after discontinuation of an angiotensin-converting enzyme *** SUMMARY The patient was a 65-year-old woman with pre-existing hypertension and hyperlipidemia and had been receiving 20 mg/d of *** was diagnosed with angioedema due to unilateral swelling of the *** airway obstruction was observed,and the symptoms improved following the administration of 0.3 mg of epinephrine intramuscularly and 125 mg of methylprednisolone *** lisinopril was discontinued,unilateral angioedema of the tongue continued to recur every 2-5 mo,with the symptoms improving following the administration of prednisolone and an *** oral administration of 500 mg of tranexamic acid after dinner prevented the recurrence of *** Careful monitoring and identification of the underlying mechanism play a crucial role in the treatment of angioedema.

关键词： Angioedema Tongue Unilateral Bradykinin Tranexamic acid Case report

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Phosphoglyceride crystal deposition disease requiring differential diagnosis from malignant tumors and confirmed by Raman spectroscopy: A case report

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World Journal of Clinical Cases 2022年第23期10卷 8304-8311页

作者： Yu Ohkura hironori Uruga Masato Shiiba Shinji Ito Hayato Shimoyama Makiko Ishihara Masaki Ueno Harushi Udagawa Department of Gastroenterological Surgery Toranomon HospitalTokyo 105-8470Japan Department of Diagnostic Pathology Toranomon HospitalTokyo 105-8470Japan Department of Diagnostic Imaging Center Toranomon HospitalTokyo 105-8470Japan

BACKGROUND Phosphoglyceride crystal deposition disease(PCDD)is a rare acquired disease in which phospholipid crystals deposit in bone and soft tissue long after surgery,trauma,or repeated *** SUMMARY A 60-year-old-woman was referred to our department because of multiple abdominal masses after open splenectomy for idiopathic thrombocytopenic purpura 29 years *** the masses showed marked fluorodeoxyglucose(FDG)uptake on ^(18)F-fluorodeoxyglucose positron emission tomography(^(18)F-FDGPET)and were strongly suspected to be malignant *** biopsies were performed,and the abdominal masses were found to be aligned vertically,three in a row,along the tissue layers cut in the patient’s previous *** finding of the specimens showed foreign body granuloma consisting of histiocytes and multinucleated giant cells accumulating around needle-like *** crystals were confirmed as phosphoglyceride by Raman spectroscopy,and PCDD was *** our knowledge,this is the first report of PCDD diagnosed by Raman *** We made a definitive diagnosis of PCDD in a patient with multiple tumors showing marked FDG uptake on ^(18)F-FDG-PET by incisional biopsy and composition analysis using Raman spectroscopy,a method that has not previously been reported for the diagnosis of PCDD.

关键词： Phosphoglyceride crystal deposition disease Raman spectroscopy Positron emission tomography Foreign body granuloma with crystal deposition Surgical scar Case report

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The Coincidence of Critical Day Length Recognition for Florigen Gene Expression and Floral Transition under Long-Day Conditions in Rice

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Molecular Plant 2013年第3期6卷 635-649页

作者： hironori Itoh Takeshi Izawa National Institute of Agrobiological Sciences Functional Plant Research Unit 2-1-2 Kannondai Tsukuba 305-8602 Japan

The photoperiodic control of flowering time is essential for the adaptation of plants to variable environments and for successful reproduction. The identification of genes encoding florigens, which had been elusive but were supposedly synthesized in leaves and then transmitted to shoot apices to induce floral transitions, has greatly advanced our understanding of the photoperiodic regulation of flowering. Studies on the photoperiodism of Arabidopsis, a model long-day plant, revealed the molecular mechanisms regulating the expression of the Arabidopsis florigen gene FT, which is gradually induced in response to increase in day length. By contrast, in rice, a model short-day plant, the expression of the florigen gene Hd3a （an FTortholog in rice） is regulated in an on/off fashion, with strong induction under short-day conditions and repression under long-day conditions. This critical day length dependence of Hd3a expression enables rice to recognize a slight change in the photoperiod as a trigger to initiate floral induction. Rice possesses a second florigen gene, RFT1, which can be expressed to induce floral transition under non-inductive long-day conditions. The complex transcriptional regulation of florigen genes and the resulting precise control over flowering time provides rice with the adaptability required for a crop species of increasing global importance.

关键词： florigen photoperiodic flowering critical day length recognition gating mechanism rice breeding.

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An Analytical Expression of Magic Angle Spinning Nuclear Magnetic Resonance Free Induction Decay in Two-Site Exchange Problem

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Chinese Physics Letters 1998年第6期15卷 453-454页

作者： SHEN Yi-min KAJI hironori HORII Fumitaka Analytical Center Fudan UniversityShanghai 200433 Institute for Chemical Research Kyoto UniversityUjiKyoto 611Japan

An analytical expression of free induction decay has been derived for calculating the magic angle spinning sideband patterns of nuclear magnetic resonance spectra in a two-site exchange *** expression has been confirmed by comparing the calculated spinning sideband patterns for powdered crystalline dimethyl sulfone at different exchange rates with experimentally measured spectra at various temperatures.

关键词： exchange spectra crystalline

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Placenta Previa Accreta and Previous Cesarean Section：Some Clarifications

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Chinese Medical Journal 2018年第12期131卷 1504-1505页

作者： Shigeki Matsubara hironori Takahashi Department of Obstetrics and Gynecology Jichi Medical University Tochigi Japan

To the Editor： Placenta accreta （accreta, increta, or percreta） is challenging： effort to reduce its incidence is of paramount importance. We already know well that cesarean section （CS） increases the risk ofacc... 详细信息

关键词： DELIVERY

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