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World Journal of Gastroenterology 2015年第33期21卷 9808-9816页

作者： Eriko Nakano atsushi kanno atsushi Masamune Naoki Yoshida Seiji Hongo Shin Miura Tetsuya Takikawa Shin Hamada Kiyoshi Kume Kazuhiro Kikuta Morihisa Hirota Keisuke Nakayama Fumiyoshi Fujishima Tooru Shimosegawa Division of Gastroenterology Tohoku University Graduate School of Medicine Division of Nephrology Endocrinology and Vascular MedicineTohoku University Graduate School of Medicine Department of Pathology Tohoku University Graduate School of Medicine

A 50-year-old male was referred to our hospital for the evaluation of *** positron emission tomography revealed high fluorodeoxyglucose uptake in the pancreas,bilateral lacrimal glands,submandibular glands,parotid glands,bilateral pulmonary hilar lymph nodes,and *** data showed an elevation of hepatobiliary enzymes,renal dysfunction,and remarkably high immunoglobulin(Ig) G levels,without elevated serum *** computed tomography revealed swelling of the pancreatic head and bilateral *** retrograde cholangiopancreatography showed an irregular narrowing of the main pancreatic duct in the pancreatic head and stricture of the lower common bile *** examination by endoscopic ultrasonography-guided fine-needle aspiration revealed findings of lymphoplasmacytic sclerosing pancreatitis without IgG4-positive plasma *** laboratory values and the swelling of several organs were improved by the treatment with *** patient was diagnosed as having type 1 autoimmune pancreatitis(AIP) based on the International Consensus Diagnostic ***,we encountered a case of compatible type 1 AIP without elevated levels of serum IgG4 or IgG4-positive plasma *** case suggests that AIP phenotypes are not always associated with IgG4.

关键词： IgG4-related disease Steroid Intestinal nephritis

Granular cell tumor of the pancreas:A case report and review of literature

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World Journal of Gastrointestinal Oncology 2010年第2期2卷 121-124页

作者： atsushi kanno Kennichi Satoh Morihisa Hirota Shin Hamada Jun Umino Hiromichi Itoh atsushi Masamune Shinichi Egawa Fuyuhiko Motoi Michiaki Unno Kazuyuki Ishida Tooru Shimosegawa Division of Gastroenterology Tohoku University Graduate School of Medicine Department of Hepatobiliary-pancreatic surgery Tohoku University Graduate School of Medicine Department of Pathology Tohoku University Graduate School of Medicine

Granular cell tumors,also called Abrikossof's tumors,were originally described by Abrikossof A in *** f irst case of a pancreatic granular cell tumor was described in 1975 and only 6 cases have been *** describe a case of granular cell tumor in the pancreas showing pancreatic duct *** imaging studies showed f indings compatible with those of pancreatic carcinoma,the patient underwent distal *** examination showed that the tumor consisted of a nested growth of large tumor cells with ample granular cytoplasm and small round *** tumor cells expressed S-100 protein and were stained with neuron-specific enolase and periodic acid-Schiff,but were negative for desmin,vimentin,and *** resected tumor was diagnosed as a granular cell *** our knowledge,this is the seventh case of Granular cell tumor of the pancreas to be reported.

关键词： Granular cell tumor Pancreas Diagnosis Distal pancreatectomy

Pancreatic duct drainage using EUS-guided rendezvous technique for stenotic pancreaticojejunostomy

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World Journal of Gastroenterology 2013年第31期19卷 5182-5186页

作者： Tetsuya Takikawa atsushi kanno atsushi Masamune Shin Hamada Eriko Nakano Shin Miura Hiroyuki Ariga Jun Unno Kiyoshi Kume Kazuhiro Kikuta Morihisa Hirota Hiroshi Yoshida Yu Katayose Michiaki Unno Tooru Shimosegawa Division of Gastroenterology Tohoku University Graduate School of Medicine Miyagi 980-8574 Japan Division of Hepato-biliary-Pancreatic Surgery Tohoku University Graduate School of Medicine Miyagi 980-8574 Japan

The patient was a 30-year-old female who had undergone excision of the extrahepatic bile duct and Rouxen-Y hepaticojejunostomy for congenital biliary dilatation at the age of ***,she suffered from recurrent acute pancreatitis due to pancreaticobiliary maljunction and received subtotal stomach-preserving *** developed a pancreatic fistula and an intra-abdominal abscess after the *** complications were improved by percutaneous abscess drainage and antibiotic *** ever,upper abdominal discomfort and the elevation of serum pancreatic enzymes persisted due to stenosis from the *** we could not accomplish dilation of the stenosis by endoscopic retrograde cholangiopancreatography,we tried an endoscopic ultrasonography(EUS) guided rendezvous technique for pancreatic duct *** transgastric puncture of the pancreatic duct using an EUS-fine needle aspiration needle,the guidewire was inserted into the pancreatic duct and finally reached to the jejunum through the stenotic *** changed the echoendoscope to an oblique-viewing endoscope,then grasped the guidewire and withdrew it through the *** stenosis of the pancreaticojejunostomy was dilated up to 4 mm,and a pancreatic stent was put in *** the pancreatic stent was removed after three months,the patient remained *** duct drainage using an EUS-guided rendezvous technique was useful for the treatment of a stenotic pancreaticojejunostomy after pancreaticoduodenectomy.

关键词： Balloon dilatation Endoscopic ultrasoundguided fine needle aspiration Pancreaticobiliary maljunction Pancreaticoduodenectomy Pancreatitis Postoperative complication

Enhancement of the thermoelectric performance of half-metallic full-Heusler Mn_(2)VAl alloys via antisite defect engineering and Si partial substitution

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Journal of Materiomics 2024年第2期10卷 511-519页

作者： Hezhang Li Kei Hayashi Zhicheng Huang Hiroto Takeuchi Gakuto kanno Jing-Feng Li Yuzuru Miyazaki Department of Precision Instrument Tsinghua UniversityBeijing100084China Department of Applied Physics Graduate School of EngineeringTohoku UniversitySendai980-8579Japan State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijing100084China

A half-metallic full-Heusler Mn_(2)VAl alloy is a potential p-type thermoelectric material that can directly generate electricity from waste heat via the Seebeck *** practical use,the Seebeck coefficient S of Mn_(2)VAl should be increased while maintaining a high electrical conductivity s from its half-metallic ***,we achieved this objective through antisite defect ***,it was predicted that the S was maximized by regulating partial density of states of majority-spin sp-electrons through the control of the fraction of antisite defect,f_(AD),between V and Al atoms in Mn_(2)***-mentally,a significant increase in S and a slight decrease in s were observed for an Mn_(2)VAl sample with an optimal fAD=33%,enhancing the thermoelectric power factor PF by 2.7 times from an Mn_(2)VAl sample with fAD=14%.Furthermore,we combined the antisite defect engineering with a partial substitution *** Mn_(2)V(Al_(0.96)Si_(0.04))sample with fAD=33%exhibited the highest PF=4.5×10^(-4)W·m^(-1)·K^(-2)at 767 K among the *** maximum dimensionless figure-of-merit zT of the Mn_(2)V(Al_(0.96)Si_(0.04))sample with f_(AD)=33%was measured to be 3.4×10^(-2)at 767 K,which is the highest among the p-type half-metallic full-Heusler alloys.

关键词： Half metal Full-Heusler alloy Thermoelectric properties Antisite defect Partial substitution

Differences in clinicopathological characteristics between lipohypertrophy and localized insulin-derived amyloidosis:A scoping review

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Chronic Diseases and Translational Medicine 2024年第1期10卷 22-30页

作者： Kanae Mukai Hiromasa Tanno Junko Sugama Toshihiko Yanagita Emi kanno Department of Clinical Nursing Faculty ofHealth SciencesInstitute of MedicalPharmaceutical and Health SciencesKanazawa UniversityKanazawaJapan Department of Translational Science forNursing Tohoku University Graduate School ofMedicineSendaiJapan Research Center for Implementation NursingScience Initiative School of Health SciencesFujita Health UniversityToyoakeJapan Department of Clinical Pharmacology Schoolof NursingUniversity of MiyazakiMiyazakiJapan

Insulin is used as a therapeutic agent in patients with diabetes,and cutaneous lipohypertrophy(LH)and localized insulin-derived amyloidosis(LIDA)are well-known adverse effects associated with insulin *** clinical implications,management,assessment methods,and pathological differentiation of LH and LIDA have been recently *** review was to update our knowledge of the pathological differentiation,effects of insulin absorption,hypoglycemic events,and recent assessment methods for LH and LIDA.A scoping review was performed according to the Preferred Reporting Items for Systematic Reviews and Meta Analyses extension for Scoping Reviews *** studies and case reports in English were also *** and Scopus databases were searched for keywords to identify papers published up to January 2022.A total of 113 studies were identified through a database search,and 31 were eligible for inclusion in this scoping *** the 31 studies included in this review,patients with type 2 diabetes had high frequencies of LH and *** outcome parameters were assessed using pathological findings and *** is mainly determined by pathological methods,such as hematoxylin and eosin and Congo red *** in vitro and in vivo LIDA models of LIDA have been *** results suggest that pathological analysis is required to identify LH and *** is important to consider LIDA,as it likely influences insulin adsorption and glycemic *** several studies have evaluated the LIDA process,little is known about the mechanisms underlying the development of adverse effects associated with insulin injections.

关键词： diabetes mellitus insulin injection lipohypertrophy localized insulin-derived amyloidosis

Case of clear-cell hepatocellular carcinoma that developed in the normal liver of a middle-aged woman

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World Journal of Gastroenterology 2008年第1期14卷 129-131页

作者： atsushi Takahashi Hironobu Saito Yukiko kanno Kazumichi Abe Junko Yokokawa atsushi Irisawa Akira Kenjo Takuro Saito Mitsukazu Gotoh Hiromasa Ohira Department of Internal Medicine Ⅱ Fukushima Medical University School of Medicine 1 Hikarigaoka Fukushima 960-1295 Japan Department of Surgery Ⅰ Fukushima Medical University School of Medicine 1 Hikarigaoka Fukushima 960-1295 Japan

A 36-year-old woman was admitted to our department for close examination of a liver tumor that was found during a medical checkup. Abdominal US, CT and MRI showed a tumor in segment 7 (S7) of the liver. Although imaging suggested hepatocellular carcinoma, laboratory tests showed no abnormality in liver function, hepatitis virus markers were negative, and tumor markers including protein induced by vitamin K absence or antagonist Ⅱ (PIVKA-Ⅱ), α-fetoprotein (AFP), carbohydrate antigen 19-9 (CA19-9), and carcinoembryonic antigen (CEA) were all within normal ranges. Upon aspiration biopsy of the liver, the histopathological diagnosis was moderately differentiated hepatocellular carcinoma. Therefore, right hepatectomy was performed. Although a part of the tumor was necrotic, about 60% of the viable part showed a clear-cell variant. Consequently, it was diagnosed as clear-cell hepatocellular carcinoma. It was noted that the background liver tissue was normal. This case is worthy of reporting because development of clear-cell hepatocellular carcinoma in the normal liver of a middle-aged woman is rarely seen.

关键词： Clear-cell hepatocellular carcinoma Liver Middle-aged

Development of autoimmune hepatitis type 1 after pulsed methylprednisolone therapy for multiple sclerosis: A case report

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World Journal of Gastroenterology 2008年第35期14卷 5474-5477页

作者： atsushi Takahashi Yukiko kanno Yuta Takahashi Natsumi Sakamoto Kyoko Monoe Hironobu Saito Kazumichi Abe Junko Yokokawa atsushi Irisawa Hiromasa Ohira Department of Internal Medicine Ⅱ Fukushima Medical University School of MedicineFukushimaJapan

A 43-year-old woman with multiple sclerosis （MS） was treated with pulsed methylprednisolone and interferon 13 at a hospital. Four weeks after initiating treatment, liver dysfunction occurred and she was referred and admitted to our hospital. Clinical and laboratory findings were consistent with and fulfilled the criteria for drug-induced hepatitis, but not for autoimmune hepatitis （AIH）. She was successfully treated with corticosteroids. As ataxia developed after i year, she was treated with pulsed methylprednisolone for 3 days, then readmitted to our hospital when liver dysfunction occurred. Clinical and laboratory findings led to the diagnosis of AIH. To the best of our knowledge, this is the second case of AIH developed after pulsed methylprednisolone for MS.

关键词： Multiple sclerosis Autoimmune hepatitis Pulsed methylprednisolone

A case of advanced intrahepatic cholangiocarcinoma successfully treated with chemosensitivity test-guided systemic chemotherapy

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World Journal of Gastroenterology 2009年第41期15卷 5228-5231页

作者： Kazumichi Abe Takeru Wakatsuki Fumiko Katsushima Kyoko Monoe Yukiko kanno atsushi Takahashi Junko Yokokawa Hiromasa Ohira Department of Gastroenterology and Rheumatology Fukushima Medical University School of Medicine 1 Hikarigaoka Fukushima 960-1295 Japan

Intrahepatic cholangiocarcinoma （ICC） is a relatively rare and highly fatal neoplasm that arises from the biliary epithelium. Prognosis is generally poor and survival is limited to a few months. Here we present a case of advanced ICC successfully treated by chemosensitivity test-guided systemic chemotherapy combining S-1 and cisplatin （CDDP）. A 65-year-old woman with a liver tumor was referred to our hospital on November 21, 2007. Abdominal ultrasonography and computed tomography （CT） showed low-density masses of 50 and 15 mm in diameter, respectively in segment w of the liver and in the enlarged lymph node in the para-aorta. Ultrasonography-guided fine needle biopsy diagnosed the tumors as ICC. Since the patient was inoperable for lymph node metastasis, she underwent systemic chemotherapy with gemcitabine. Six months afcer initiation of chemotherapy, CT revealed ICC progression in the liver and pleural dissemination with pleural effusion. The patient was admitted to our hospital for anticancer drug sensitivity testing on June 9, 2008. Based on the sensitivity test results, we elected to administer systemic chemotherapy combining S-1 and CDDP. Two months into the second chemotherapy treatment, CT revealed a reduction of the tumors in the liver and lymph node and a decrease in pleural *** eight cycles of the second chemotherapy, 17 mo after ICC diagnosis, she is alive and well with no sign of recurrence. We conclude that chemosensitivity testing may effectively determine the appropriate chemotherapy regimen for advanced ICC.

关键词： Chemosensitivity testing Cholangiocarcinoma, Cisplatin Liver neoplasms Gemcitabine S-1 Systemic chemotherapy

Alternating minimization for data-driven computational elasticity from experimental data: kernel method for learning constitutive manifold

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Theoretical & Applied Mechanics Letters 2021年第5期11卷 260-265页

作者： Yoshihiro kanno Mathematics and Informatics Center The University of TokyoHongo 7-3-1Tokyo 113-8656Japan

Data-driven computing in elasticity attempts to directly use experimental data on material,without constructing an empirical model of the constitutive relation,to predict an equilibrium state of a structure subjected to a specified external *** that a data set comprising stress-strain pairs of material is available,a data-driven method using the kernel method and the regularized least-squares was developed to extract a manifold on which the points in the data set approximately lie(kanno 2021,***.).From the perspective of physical experiments,stress field cannot be directly measured,while displacement and force fields are *** this study,we extend the previous kernel method to the situation that pairs of displacement and force,instead of pairs of stress and strain,are available as an input data set.A new regularized least-squares problem is formulated in this problem setting,and an alternating minimization algorithm is proposed to solve the problem.

关键词： Alternating minimization Regularized least-squares Kernel method Manifold learning Data-driven computing