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| 1 | Sporadic versus hereditary gastrinomas of the duodenum and pancreas: Distinct clinico-pathological and epidemiological features显示文摘Gastrinomas are defined as gastrin secreting tumors that are associated with Zollinger-Ellison syndrome (ZES). ZES is characterized by elevated fasting gastrin serum levels, positive secretin stimulation test and clinical symptoms such as recurrent peptic ulcer disease, gastroesophageal re?ux disease and occasional diarrhea. Genetically, nonhereditary (sporadic) gastrinomas are distinguished from hereditary gastrinomas, which are associated with multiple endocrine neoplasia type 1 (MEN1) syndrome. In general, duodenal gastrinomas are small and solitary if they are sporadic and multiple as well as hereditary. The sporadic gastrinomas occur in the duodenum or in the pancreas while the hereditary gastrinomas almost all occur in the duodenum. Our series of 77 sporadic duodenal neuroendocrine tumors (NETs) includes 18 patients (23.4%) with gastrinomas and ZES. Of 535 sporadic NETs in the pancreas collected from the NET archives of the departments of pathology in Zürich, Switzerland, and Kiel, Germany, 24 patients (4.5%) suffered from sporadic pancreatic gastrinomas and ZES. These NETs have to be distinguished fromtumors with immunohistochemical positivity for gastrin but without evidence of ZES. An additional 19 patients suffered from MEN1 and ZES. These patients showed exclusively duodenal gastrinomas, but not pancreatic gastrinomas. The prognosis of sporadic and MEN1- associated duodenal gastrinomas is better than that of pancreatic gastrinomas, since they progress slowly to liver metastasis. In summary, sporadic and MEN1- associated gastrinomas in the duodenum and pancreas show different clinico-pathological and genetic features. The incidence of sporadic duodenal gastrin-producing tumors is increasing, possibly due to optimized diagnostic procedures. In contrast, pancreatic MEN1- associated gastrinomas seem to be extremely rare. A considerable subset of tumors with immunohistochemical expression of gastrin but without evidence of ZES should be designated as functionally inactive NETs expressing gastrin, but not as gastrinomas. | Martin Anlauf Nele Garbrecht Tobias Henopp Anja Schmitt Regina Schlenger Andreas Raffel Markus Krausch Oliver Gimm Claus F Eisenberger Wolfram T Knoefel Henning Dralle Paul Komminoth Philipp U Heitz Aurel Perren Günter Klppel | 2006 | World Journal of Gastroenterology2006,12,34: | 7 |
| 2 | Small intestine bleeding due to multifocal angiosarcoma显示文摘We report a case of an 84-year-old male patient with primary small intestinal angiosarcoma.The patient initially presented with anemia and melena.Consecutive endoscopy revealed no signs of upper or lower active gastrointestinal bleeding.The patient had been diagnosed 3 years previously with an aortic dilation,which was treated with a stent.Computed tomography suggested an aorto-intestinal fistula as the cause of the intestinal bleeding,leading to operative stent explantation and aortic replacement.However,an aorto-intestinal fistula was not found,and the intestinal bleeding did not arrest postoperatively.The constant need for blood transfusions made an exploratory laparotomy imperative,which showed multiple bleeding sites,predominately in the jejunal wall.A distal loop jejunostomy was conducted to contain the small intestinal bleeding and a segmental resection for histological evaluation was performed.The histological analysis revealed a lessdifferentiated tumor with characteristic CD31,cytokeratin,and vimentin expression,which led to the diagnosis of small intestinal angiosarcoma.Consequently,the infiltrated part of the jejunum was successfully resected in a subsequent operation,and adjuvant chemotherapy with paclitaxel was planned.Angiosarcoma of the small intestine is an extremely rare malignant neoplasm that presents with bleeding and high mortality.Early diagnosis and treatment are essential to improve outcome.A small intestinal angiosarcoma is a challenging diagnosis to make because of its rarity,nonspecific symptoms of altered intestinal function,nonspecific abdominal pain,severe melena,and acute abdominal signs.Therefore,a quick clinical and histological diagnosis and decisive measures including surgery and adjuvant chemotherapy should be the aim. | Luisa Zacarias Fhrding Arne Macher Stefan Braunstein Wolfram Trudo Knoefel Stefan Andreas Topp | 2012 | World Journal of Gastroenterology2012,18,44: | 4 |
| 3 | Strong prognostic value of nodal and bone marrow micro-involvement in patients with pancreatic ductal carcinoma receiving no adjuvant chemotherapy显示文摘AIM: To study the prognostic value of adjuvant chemo-therapy in patients with pancreatic, ductal adenocar-cinoma.METHODS: Lymph nodes from 106 patients with resectable pancreatic ductal adenocarcinoma were systematically sampled. A total of 318 lymph nodes classified histopathologically as tumor-free were examined using sensitive immunohistochemical assays. Forty-three (41%) of the 106 patients were staged as pT1/2, 63 (59%) as pT3/4, 51 (48%) as pN0, and 55 (52%) as pN1. The study population included 59 (56%) patients exhibiting G1/2, and 47 (44%) patients with G3 tumors. Patients received no adjuvant chemo- or radiation therapy and were followed up for a median of 12 (range: 3.5 to 139) mo.RESULTS: Immunostaining with Ber-EP4 revealed nodal microinvolvement in lymph nodes classified as “tumor free” by conventional histopathology in 73 (69%) out of the 106 patients. Twenty-nine (57%)of 51 patients staged histopathologically as pN0 had nodal microinvolvement. The five-year survival probability for pN0-patients was 54% for those without nodal microinvolvement and 0% for those with nodal microinvolvement. Cox-regression modeling revealed the independent prognostic effect of nodal microinvolvement on recurrence-free (relative risk 2.92, P = 0.005) and overall (relative risk 2.49, P = 0.009) survival.CONCLUSION: The study reveals strong and independent prognostic significance of nodal microinvolvement in patients with pancreatic ductal adenocarcinoma who have received no adjuvant therapy. The addition of immunohistochemical findings to histopathology reports may help to improve risk stratification of patients with pancreatic cancer. | Emre F Yekebas Dean Bogoevski Michael Bubenheim Bjrn-Christian Link Jussuf T Kaifi Robin Wachowiak Oliver Mann Asad Kutup Guellue Cataldegirmen Lars Wolfram Andreas Erbersdobler Christoph Klein Klaus Pantel Jakob R Izbicki | 2006 | World Journal of Gastroenterology2006,12,40: | 3 |
| 4 | Genotype-dependent activation or repression of HBV enhancer Ⅱ by transcription factor COUP-TF1显示文摘AIM: To study the expression of HBV enhancer Ⅱ by transcription factor COUP-TF1. METHODS: In order to study the regulation of HBV variants in the vicinity of the NRRE we cloned luciferase constructs containing the HBV enhancer Ⅱ from variants and from HBV genotypes A and D and cotransfected them together with expression vectors for COUP-TF1 into HepG2 cells. RESULTS: Our fi ndings show that enhancer Ⅱ of HBV genotype A is also repressed by COUP-TF1. In contrast, two different enhancer Ⅱ constructs of HBV genotype D were activated by COUP-TF1. The activation was independent of the NRRE because a natural variant with a deletion of nt 1763-1770 was still activated by COUP- TF1. CONCLUSION: Regulation of transcription of the HBV genome seems to differ among HBV genomes derived from different genotypes. These differences in transcriptional control among HBV genotypes may be the molecular basis for differences in the clinical course among HBV genotypes. | Silke F Fischer Katja Schmidt Nicola Fiedler Dieter Glebe Christian Schüttler Jianguang Sun Wolfram H Gerlich Reinald Repp Stephan Schaefer | 2006 | World Journal of Gastroenterology2006,12,37: | 2 |
| 5 | Infectious, atopic and inflammatory diseases, childhood adversities and familial aggregation are independently associated with the risk for mental disorders: Results from a large Swiss epidemiological study显示文摘AIM To examine the associations between mental disorders and infectious, atopic, inflammatory diseases while adjusting for other risk factors.METHODS We used data from PsyC oL aus, a large Swiss Population Cohort Study(n = 3720; age range 35-66). Lifetime diagnoses of mental disorders were grouped into the following categories: Neurodevelopmental, anxiety(early and late onset), mood and substance disorders. They were regressed on infectious, atopic and other inflammatory diseases adjusting for sex, educational level, familial aggregation, childhood adversities and traumatic experiences in childhood. A multivariate logistic regression was applied to each group of disorders. In a complementary analysis interactions with sex were introduced via nested effects. RESULTS Associations with infectious, atopic and other chronic inflammatory diseases were observable together with consistent effects of childhood adversities and familial aggregation, and less consistent effects of trauma in each group of mental disorders. Streptococcal infections were associated with neurodevelopmental disorders(men), and measles/mumps/rubella-infections with early and late anxiety disorders(women). Gastric inflammatory diseases took effect in mood disorders(both sexes) and in early disorders(men). Similarly, irritable bowel syndrome was prominent in a sex-specific way in mood disorders in women, and, moreover, was associated with early and late anxiety disorders. Atopic diseases were associated with late anxiety disorders. Acne(associations with mood disorders in men) and psoriasis(associations with early anxiety disorders in men and mood disorders in women) contributed sex-specific results. Urinary tract infections were associated with mood disorders and, in addition, in a sex-specific way with late anxiety disorders(men), and neurodevelopmental and early anxiety disorders(women).CONCLUSION Infectious, atopic and inflammatory diseases areimportant risk factors for all groups of mental disorders. The sexual dimorphism of the associations is pronounced. | Vladeta Ajdacic-Gross Aleksandra Aleksandrowicz Stephanie Rodgers Margot Mutsch Anja Tesic Mario Müller Wolfram Kawohl Wulf R?ssler Erich Seifritz Enrique Castelao Marie-Pierre F Strippoli Caroline Vandeleur Roland von K?nel Rosa Paolicelli Markus A Landolt Cornelia Witthauer Roselind Lieb Martin Preisig | 2016 | World Journal of Psychiatry2016,6,4: | 2 |
| 6 | Assessment of propofol concentrations in human breath and blood by means of HS-SPME-GC-MS 显示文摘 | Wolfram M Patricia F Svend K | 2008 | Clin Chim Acta2008,395,: | 1 |
| 7 | Anti-obesity effects of green tea: From bedside to bench 显示文摘 | Wolfram S Wang Y Thielecke F | 2006 | Mol Nutr Food Res2006,50,2: | 1 |
| 8 | Anti-obesity effects of green tea: from bedside to bench 显示文摘 | Wolfram S Wang Y Thielecke F | 2006 | Mol Nutr Food Res2006,50,2: | 1 |
| 9 | Postpancreatectomy hemorrhage:diagnosis and treatment:an analysis in 1669 consecutive pancreatic resections显示文摘 | Yekebas E F Wolfram L Cataldegirmen G | | 0,,02: | 1 |
| 10 | Successfully selling accommodation packages at online auctions: The case of eBay Austria 显示文摘 | Matthias F Alexander E Wolfram H | 2011 | Tourism Management2011,32,5: | 1 |
| 11 | Noeldge-schomburg diagnostic potential of breath analysis-focus on volatile organic compounds 显示文摘 | Wolfram Miekisch Schubert1 J K Gabriele F E | 2004 | Clinica Chimica Acta2004,,347: | 1 |
| 12 | Aerobic biodegradation of the brominated flame retardants, dibromoneopentyl glycol and tribromoneopentyl alcohol显示文摘 | Osnat S Wolfram M Melanie F Asher B Ariel K | 2009 | Biodegradation2009,20,: | 1 |
| 13 | Anti-obesity effects of green tea:From bedside to bench显示文摘 | Wolfram S Wang Y Thielecke F | 2006 | Mol Nutr Food Res2006,50,2: | 1 |
| 14 | Anti-obesity effects of green tea:From bedside to bench显示文摘 | Wolfram S Wang Y Thieleeke F | 2006 | Mol Nutr Food Res2006,50,2: | 1 |
| 15 | Neutrophil activation by the tissue factor/factor VII a/PAR2 axis mediates fetal death in a mouse model of antiphospholipid syndrome 显示文摘 | Patricia R Claus-Werner F Wolfram R | 2008 | The Journal of Clini- cal Investigation2008,118,10: | 1 |
| 16 | Efficacy of high-fiber di- ets in the management of type 2 diabetes mellitus显示文摘 | Wolfram T Ismail-Beigi F | 2011 | Endocrine practice2011,17,1: | 1 |
| 17 | The impact of 3-dimensional reconstructions on operation planning in liver surgery显示文摘 | Wolfram L Gerald G Lars F | 2000 | Arch Surg2000,135,11: | 1 |
| 18 | Postpancreatectomy hemorrhage: diagnosis and treatment: an analysis in 1 669 consecutive pancreatic resections 显示文摘 | Yekebas E F Wolfram L Cataldegirmen G | 2007 | Ann Surg2007,246,2: | 1 |
| 19 | Sewer model devel- opment under minimum data requirements 显示文摘 | Blumensaat F Wolfram M Krebs P | 2012 | Environ Earth Sci2012,65,5: | 1 |
| 20 | Efficacy of high-fiber diets in the man- agement of type 2 diabetes mellitus 显示文摘 | Wolfram T Ismail-Beigi F | 2011 | Endocr Pract2011,17,1: | 1 |