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50篇 您的检索式:作者名="KURUMA"
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1Importance of early diagnosis of pancreaticobiliary maljunction without biliary dilatation显示文摘AIM:To clarify the strategy for early diagnosis of pancreaticobiliary maljunction(PBM) without biliary dilatation and to pathologically examine gallbladder before cancer develops.METHODS:The anatomy of the union of the pancreatic and bile ducts was assessed by using endoscopic retrograde cholangiopancreatography(ERCP).Patients with a long common channel in which communication between the pancreatic and bile ducts was maintained even during sphincter contraction were diagnosed as having PBM.Of these,patients in which the maximal diameter of the bile duct was less than 10 mm were diagnosed with PBM without biliary dilatation.The process of diagnosing 54 patients with PBM without biliary dilatation was retrospectively investigated.Histopathological analysis of resected gallbladder specimens from 8 patients with PBM without biliary dilatation or cancer was conducted.RESULTS:Thirty-six PBM patients without biliary dilatation were diagnosed with gallbladder cancer after showing clinical symptoms such as abdominal or back pain(n = 16) or jaundice(n = 12).Radical surgery for gallbladder cancer was only possible in 11 patients(31%) and only 4 patients(11%) survived for 5 years.Eight patients were suspected as having PBM without biliary dilatation from the finding of gallbladder wall thickening on ultrasound and the diagnosis was confirmed by ERCP and/or magnetic resonance cholangiopancreatography(MRCP).The median age of these 8 patients was younger by a decade than PBM patients with gallbladder cancer.All 8 patients underwent prophylactic cholecystectomy and bile duct cancer has not occurred.Wall thickness and mucosal height of the 8 resected gallbladders were significantly greater than controls,and hyperplastic changes,hypertrophic muscular layer,subserosal fibrosis,and adenomyomatosis were detected in 7(88%),5(63%),7(88%) and 5(63%) patients,respectively.Ki-67 labeling index was high and K-ras mutation was detected in 3 of 6 patients.CONCLUSION:To detect PBM without biliary dilatation before onset of gallbladder cancer,we should perform MRCP for individuals showing increased gallbladder wall thickness on ultrasound.Kensuke Takuma Terumi Kamisawa Taku Tabata Seiichi Hara Sawako Kuruma Yoshihiko Inaba Masanao Kurata Goro Honda Koji Tsuruta Shin-ichiro Horiguchi Yoshinori Igarashi 2012World Journal of Gastroenterology2012,18,26:13
2Immunoglobulin G4-related gastrointestinal diseases, are they immunoglobulin G4-related diseases?显示文摘In immunoglobulin G4(IgG4)-related disease(RD),organ enlargement or nodular lesions consisting of abundant infiltration of lymphocytes and IgG4-positive plasma cells and fibrosis are seen in various organs.Although infiltration of many IgG4-positive plasma cells is detected in the gastric and colonic mucosa and major duodenal papilla of patients with autoimmune pancreatitis,it cannot be diagnosed as a gastrointestinal lesion involved in IgG4-RD,because none of the following is observed in these lesions:a mass-like formation;dense fibrosis;or obliterative phlebitis.Based on our review of the literature,there appear to be two types of IgG4-related gastrointestinal disease.One is a gastrointestinal lesion showing marked thickening of the wall of the esophagus and stomach,consisting of dense fibrosis with abundant infiltration of IgG4-positive plasma cells,which usually show submucosal spreading.The other is an IgG4-related pseudotumor occurring in gastrointestinal regions such as the stomach,colon,and major duodenal papilla,showing polypoid or mass-like lesions.Most solitary IgG4-related gastrointestinal lesions that are not associated with other IgG4-RD appear to be difficult to diagnose.It is of utmost importance to rule out malignancy.However,these lesions may respond to steroid therapy.To avoid unnecessary resection,IgG4-related gastrointestinal diseases should be considered in the differential diagnosis.Satomi Koizumi Terumi Kamisawa Sawako Kuruma Taku Tabata Kazuro Chiba Susumu Iwasaki Yuka Endo Go Kuwata Koichi Koizumi Tooru Shimosegawa Kazuichi Okazaki Tsutomu Chiba 2013World Journal of Gastroenterology2013,19,35:12
3Differences between diffuse and focal autoimmune pancreatitis显示文摘AIM:To investigate differences in clinical features between diffuse-and focal-type autoimmune pancreatitis(AIP).METHODS:Based on radiological findings by computed tomography and/or magnetic resonance imaging,we divided 67 AIP patients into diffuse type(D type) and focal type(F type).We further divided F type into head type(H type) and body and/or tail type(B/T type) according to the location of enlargement.Finally,we classified the 67 AIP patients into three groups:D type,H type and B/T type.We compared the three types of AIP in terms of clinical,laboratory,radiological,functional and histological findings and clinical course.RESULTS:There were 34 patients with D-type,19 with H-type and 14 with B/T-type AIP.Although obstructive jaundice was frequently detected in D-typepatients(88%) and H-type patients(68%),no B/T-type patients showed jaundice as an initial symptom(P < 0.001).There were no differences in frequency of abdominal pain,but acute pancreatitis was associated more frequently in B/T-type patients(36%) than in D-type patients(3%)(P = 0.017).Serum immunoglobulin G(IgG)4 levels were significantly higher in D-type patients(median 309 mg/dL) than in B/T-type patients(133.5 mg/dL)(P = 0.042).Serum amylase levels in B/T-type patients(median:114 IU/L) were significantly greater than in H-type patients(72 IU/L)(P = 0.049).Lymphoplasmacytic sclerosing pancreatitis(LPSP) was histologically confirmed in 6 D-type,7 H-type and 4 B/T-type patients;idiopathic duct-centric pancreatitis was observed in no patients.Marked fibrosis and abundant infiltration of CD20-positive B lymphocytes with few IgG4-positive plasma cells were detected in 2 B/T-type patients.Steroid therapy was effective in all 50 patients(31 D type,13 H type and 6 B/T type).Although AIP relapsed during tapering or after stopping steroids in 3 D-type and 3 H-type patients,no patients relapsed in B/T type.During follow-up,radiological features of 6 B/T-type patients were not changed and 1 B/T-type patient improved naturally.CONCLUSION:Clinical features of H-type AIP were similar to those of D-type,but B/T-type differed from D and H types.B/T-type may involve diseases other than LPSP.Taku Tabata Terumi Kamisawa Kensuke Takuma Seiichi Hara Sawako Kuruma Yoshihiko Inaba 2012World Journal of Gastroenterology2012,18,17:6
4Hypothyroidism in patients with autoimmune pancreatitis显示文摘AIM To examine thyroid function and clinical features of hypothyroidism in autoimmune pancreatitis(AIP) patients.METHODS We examined thyroid function in 77 patients with type 1 AIP(50 males, 27 females; median age 68 years, range 33-85) diagnosed according to the Japanese diagnostic criteria for AIP 2011. We compared clinical and serological findings between patients with and without various categories of hypothyroidism. The change in hypothyroidism after steroid therapy was also examined. RESULTS Eight patients(10%) had hypothyroidism of 6 patients had subclinical hypothyroidism with a normal serum free thyroxine(FT4) and high thyroid stimulating hormone(TSH) level, and 2 patients had central hypothyroidism with low serum free triiodothyronine(FT3), FT4 and TSH levels. A significant goiter of the thyroid was not observed in any patient. There were no significant differences in age; male to female ratio; serum concentrations of IgG and IgG 4-related disease(IgG4-RD); presence of antithyroglobulin antibody, antinuclear antigen or rheumatoid factor; or presence of extrapancreatic lesions between the 6 patients with subclinical hypothyroidism and patients with euthyroidism. After steroid therapy, both subclinical and central hypothyroidism improved with improvement of the AIP.CONCLUSION Hypothyroidism was observed in 8(10%) of 77 AIP patients and was subclinical in 6 patients and central in 2 patients. Further studies are necessary to clarify whether this subclinical hypothyroidism is another manifestation of IgG4-RD.Ryoko Shimizuguchi Terumi Kamisawa Yuka Endo Masataka Kikuyama Sawako Kuruma Kazuro Chiba Taku Tabata Satomi Koizumi 2018World Journal of Gastrointestinal Pharmacology and Therapeutics2018,9,2:3
5ABO blood type, long-standing diabetes, and the risk of pancreatic cancer显示文摘AIM: To retrospectively study pancreatic cancer patients with respect to their ABO blood type and diabetes. METHODS: Our analysis included a cohort of 1017 patients with pancreatic ductal cancer diagnosed at our hospital in Tokyo. They were divided into two groups: 114 patients with long-standing type 2 diabetes (DM group, defined as diabetes lasting for at least three years before the diagnosis of pancreatic cancer) and 903 patients without diabetes (non-DM group). Multivariate analysis was performed to identify factors that are associated with long-standing diabetes. The DM group was further divided into three subgroups according to the duration of diabetes (3-5 years, 5.1-14.9 years, and 15 years or more) and univariate analyses were performed. RESULTS: Of the 883 pancreatic cancer patients with serologically assessed ABO blood type, 217 (24.6%) had blood type O. Compared with the non-DM group, the DM group had a higher frequency of blood type B [odds ratio (OR) = 2.61, 95%CI: 1.24-5.47; reference group: blood type A]. Moreover, male (OR = 3.17, 95%CI: 1.67-6.06), older than 70 years of age (OR = 2.19, 95%CI: 1.20-3.98) and presence of a family history of diabetes (OR = 6.21, 95%CI: 3.38-11.36) were associated with long-standing type 2 diabetes. The mean ages were 64.8 ± 9.2 years, 67.1 ± 9.8 years, and 71.7 ± 7.0 years in the subgroups with the duration of diabetes, 3-5 years, 5.1-14.9 years, and 15 years or more, respectively (P = 0.007). A comparison of ABO blood type distribution among the subgroups also showed a significant difference (P = 0.03). CONCLUSION: The association of pancreatic cancer with blood type and duration of diabetes needs to be further examined in prospective studies.Naoto Egawa Yingsong Lin Taku Tabata Sawako Kuruma Seiichi Hara Ken Kubota Terumi Kamisawa 2013World Journal of Gastroenterology2013,19,16:2
6Clinical and electrophysiologic effects of dofetilide in patients with supraventricular tachyarrhythmias显示文摘 Atarashi H Kuruma A 1997J Cardiovasc Pharmacol1997,30,:1
7Proteome analysis of prostate cancer显示文摘Kuruma H Egawa S Oh-Ishi M 2004Prostate Cancer Prostatic Dis2004,1,:1
8Characteristics and utility of combined duplex color-coded ultrasonography in the cervical rotational position with head MRI and MRA in the differential diagnosis of apogeotropic direction-changing positional nystagmus显示文摘Objective:To determine whether cervical ultrasonography,magnetic resonance imaging(MRI),and magnetic resonance angiography(MRA)are useful in the differential diagnosis of etiology and understanding the pathophysiology in cases of apogeotropic direction-changing positional nystagmus(DCPN).Methods:Thirty patients with apogeotropic DCPN were classified into 11 cases of central disease,seven cases of mixed central and peripheral disease,and 12 cases of peripheral disease by differential diagnosis based on various balance function,neuro-otological,and imaging tests.Cervical ultrasonography using the cervical rotation method and MRI and MRA of the head and neck were performed in most patients with apogeotropic DCPN.We reviewed the presence of abnormal imaging findings according to the disease etiology.Results:Of the 30 patients with apogeotropic DCPN,23 showed vascular abnormalities or central lesions on imaging.Vascular lesions were found in six of the 12 patients with peripheral disease.Cervical ultrasonography with cervical rotation detected blood flow disturbance in the vertebral artery in eight patients in whom the disturbance could not be detected by MRI or MRA of the head and neck.Discussion:We hypothesize that the causative disease of apogeotropic DCPN may be strongly associated with circulatory insufficiency of the vertebrobasilar and carotid arteries,and that impaired blood flow in these vessels may affect peripheral vestibular and central function.In patients with apogeotropic DCPN,examinations of vestibular function,central nervous system symptoms,and brain hemodynamics are valuable for differential diagnosis.Tessei Kuruma Mariko Arimoto Yasushi Fujimoto 2023Journal of Otology2023,18,2:1
9Subsequent upper urothelial cancer following bladder tumor显示文摘Kuruma H Ao T Murayama M 2002Hinyokika Kiyo2002,48,4:1
10An antibacterial effect of Lactococcus lactis isolated from the intestinal tract of the Amur catfish, Silurus asotus Linnaeus显示文摘Sugita Haruo Ohta Keiko Kuruma Akiko 2007Aquaculture Research2007,38,9:1
11Chloroquine gestational use in systemic lupus erythematosus:assessing the risk of child ototoxicity by pure tone audiometry显示文摘Borba EF Turrini-Filho JR Kuruma KA 2004Lupus2004,13,4:1
12A case of gastrointestinal stromal tumor of rectum, difficult to differentiate from leiomyosareoma of prostate 显示文摘Kuruma H Ao T Suyama K 2001Nippon Hinyoldka Gakkai Zasshi2001,92,6:1
13Functional analysis of membranous Fo-a subunit of F1Fo-ATP synthesis by in vitro protein synthesis显示文摘KURUMA Y SUZUKI T ONO S 2012Biochem J2012,442,:1
14Staphylococcal nuclease domain-containing protein 1 as a potential tissue marker far prostate cancer显示文摘KURUMA H KAMATA Y TAKAHASHI H 0,,06:1
15An antibacterial affect of Lactococcos lactis isolated from the intestinal tract of the Amur catfish,Silurus asotus Linnaeus 显示文摘Suigita H Ohta K Kuruma A 2007Aquaculture Res2007,38,:1
16Clinical features ofIgG4-related dacryoadenitis显示文摘Koizumi S Kamisawa T Kuruma S 2014Graefes Arch Clin ExpOphthalmol2014,252,49:1
17Alkaline serine is an exotoxin of Vibrio alginolyticus in prawn, Microbiol, 1997, Penaeus japonicus 显示文摘Lee K protease kuruma K Yu S R Liu P C 1997Curr1997,34,2:1
18ATP autocrine/paracrine signaling induces calcium oscillations and NFAT activation in human mesenchymal stem cells显示文摘Seiko Kawano Keishi Otsu Akinori Kuruma Satoshi Shoji Eri Yanagida Yuko Muto Fumio Yoshikawa Yoshiyuki Hirayama Katsuhiko Mikoshiba Teiichi Furuichi 2005Cell Calcium2005,,4:1
19Eleetrophysiologie and hemodynamic effects of a single oral dose of pilsicainide hydroehloride, a new class Ie antiarrhythmie agent显示文摘INO T ATARASHI H KURUMA A 1998J Cardiovase Pharmacol1998,31,1:1
20The PURE system for protein production显示文摘SHIMIZU Y KURUMA Y KANAMORI T 2014Methods Mol Biol2014,111,8:1
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