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1Pseudopolyps in inflammatory bowel diseases: Have we learned enough?显示文摘Pseudopolyps are a well described entity in the literature and even though the exact pathogenesis of their formation is not completely understood, they are considered non-neoplastic lesions originating from the mucosa after repeated periods of inflammation and ulceration associated with excessive healing processes. Their occurrence is less common in Crohn's disease than in ulcerative colitis, and their overall prevalence ranges from 4% to 74%; moreover, they are found more often in colon but have been detected in other parts of the gastrointestinal tract as well. When their size exceeds the arbitrary point of 1.5 cm, they are classified as giant pseudopolyps. Clinical evaluation should differentiate the pseudopolyps from other polypoid lesions, such as the dysplasiaassociated mass or lesion, but this situation represents an ongoing clinical challenge. Pseudopolyps can provoke complications such as bleeding or obstruction, and their management includes medical therapy, endoscopy and surgery; however, no consensus exists about the optimal treatment approach. Patients with pseudopolyps are considered at intermediate risk for colorectal cancer and regular endoscopic monitoring is recommended. Through a review of the literature, we provide here a proposed classification of the characteristics of pseudopolyps.Dimitrios S Politis Konstantinos H Katsanos Epameinondas V Tsianos Dimitrios K Christodoulou 2017World Journal of Gastroenterology2017,23,9:8
2Small bowel parasitosis as cause of obscure gastrointestinal bleeding diagnosed by capsule endoscopy显示文摘Hookworm infection is a relatively common cause of anemia in endemic areas.However,it is rarely encountered in Europe.In this report we describe the case of a 24-year old patient originating from an endemic area who was admitted due to severe anemia,with an Hct of 15.6%and eosinophilia(Eosinophils:22.4%).While both esophagogastroduodenoscopy and colonoscopy were non-diagnostic,capsule endoscopy revealed a large number of hookworms infesting his small bowel and withdrawing blood.The patient was successfully treated with Albendazole.Capsule endoscopy was proven an important tool in diagnosing intestinal parasitosis.Dimitrios K Christodoulou Dimitrios E Sigounas Konstantinos H Katsanos Georgios Dimos Epameinondas VTsianos 2010World Journal of Gastrointestinal Endoscopy2010,2,11:7
3Incidence and risk factors for the development of anemia following gastric bypass surgery显示文摘AIM:To evaluate the incidence and risk factors for the development of anemia after RouxenY gastric bypass (RYGB).METHODS: A retrospective analysis of patients undergoing RYGB from January 2003 to November 2007 was performed. All patients had a preoperative body mass index > 40 kg/m2. A total of 206 patients were evaluated. All patients were given daily supplements of ferrous sulfate tablets for 2 wk following their operation. Hematological and metabolic indices were routinely evaluated following surgery. Patients were followed for a minimum of 86 wk.RESULTS: There were 41 males and 165 females with an average age of 40.8 years. 21 patients (10.2%) developed postoperative anemia and 185 patients (89.8%) did not. Anemia was due to iron deficiency in all cases. The groups had similar demographics, surgical procedure and comorbidities. Menstruation (P = 0.02) and peptic ulcer disease (P = 0.01) were risk factors for the development of postoperative anemia.CONCLUSION: Iron deficiency anemia is frequent. RYGB surgery compounds occult blood loss. Increased ferrous sulfate supplementation may prevent iron depletion in populations at increased risk.Dimitrios V Avgerinos Omar H Llaguna Matthew Seigerman Amanda J Lefkowitz I Michael Leitman 2010World Journal of Gastroenterology2010,16,15:6
4Role of wireless capsule endoscopy in the follow-up of inflammatory bowel disease显示文摘The introduction of wireless capsule endoscopy in 2000 has revolutionized our ability to visualize parts of the small bowel mucosa classically unreached by the conventional endoscope, and since the recent introduction of colon capsule endoscopy, a promising alternative method has been available for the evaluation of large bowel mucosa. The advantages of wireless capsule endoscopy include its non-invasive character and its ability to visualize proximal and distal parts of the intestine, while important disadvantages include the procedure's inability of tissue sampling and significant incompletion rate. Its greatest limitation is the prohibited use in cases of known or suspected stenosis of the intestinal lumen due to high risk of retention. Wireless capsule endoscopy plays an important role in the early recognition of recurrence, on Crohn's disease patients who have undergone ileocolonic resection for the treatment of Crohn's disease complications, and in patients' management and therapeutic strategy planning, before obvious clinical and laboratory relapse. Although capsule endoscopy cannot replace traditional endoscopy, it offers valuable information on the evaluation of intestinal disease and has a significant impact on disease reclassification of patients with a previous diagnosis of ulcerative colitis or inflammatory bowel disease unclassified/indeterminate colitis. Moreover, it may serve as an effective alternative where colonoscopy is contraindicated and in cases with incomplete colonoscopy studies. The use of patency capsule maximizes safety and is advocated in cases of suspected small or large bowel stenosis.Ioannis V Mitselos Dimitrios K Christodoulou Konstantinos H Katsanos Epameinondas V Tsianos 2015World Journal of Gastrointestinal Endoscopy2015,7,6:4
5急性阑尾炎的间隔平淡的阑尾切除术追随者保守人士处理: 它确实被需要显示文摘 Conservative management of acute appendicitis (AA) is gradually being adopted as a valuable therapeutic choice in the treatment of selected patients with AA. This approach is based on the results of many recent studies indicating that it is a valuable and effective alternative to routine emergency appendectomy. Existing data do not support routine interval appendectomy following successful conservative management of AA; indeed, the risk of recurrence is low. Moreover, recurrences usually exhibit a milder clinical course compared to the first episode of AA. The role of routine interval appendectomy is also questioned recently, even in patients with AA complicated by plastron or localized abscess formation. Surgical judgment is required to avoid misdiagnosis when selecting a conservative approach in patients with a presumed 'appendiceal' mass.George H Sakorafas Dimitrios Sabanis Christos Lappas Aikaterini Mastoraki John Papanikolaou Charalambos Siristatidis Vasileios Smyrniotis 2012World Journal of Gastrointestinal Surgery2012,4,4:3
6Diagnosis and endoscopic treatment of esophago-bronchial fistula due to gastric heterotopy显示文摘Heterotopic gastric mucosa patches are congenital gastrointestinal abnormalities and have been reported to occur anywhere along the gastrointestinal tract from mouth to anus.Complications of heterotopic gastric mucosa include dysphagia,upper gastrointestinal bleeding,upper esophageal ring stricture,adenocarcinoma and fistula formation.In this case report we describe the diagnosis and treatment of the first case of esophago-bronchial fistula due to heterotopic gastric mucosa in mid esophagus.A 40-year old former professional soccer player was referred to our department for treatment of an esophago-bronchial fistula.Microscopic examination of the biopsies taken from the esophageal fistula revealed the presence of gastric heterotopic mucosa.We decided to do a non-surgical therapeutic endoscopic procedure.A sclerotherapy catheter was inserted through which 1 mL of ready to use synthetic surgical glue was applied in the fistula and it closed the fistula opening with excellent results.Konstantinos H Katsanos Dimitrios K Christodoulou Sevasti Kamina Kosmidou Maria Evangelia Lambri Stavroula Theodorou Konstantinos Tsampoulas Mitsi Vasiliki Epameinondas V Tsianos 2010World Journal of Gastrointestinal Endoscopy2010,2,4:2
7Assessment of convection, hot-air combined with microwave- vacuum and freeze- drying methods for mushrooms with regard to product quality 显示文摘Dimitrios A Albert H Joachim M 2011International Journal of Food Science and Technology2011,46,:1
8Design and implementation of parallel time-dependent least time path algorithm for intelligent transportation systems applications显示文摘Athanasiso Z Dimitrios K Mahmassani H 1997Transportation Research Part C1997,5,2:1
9Communication and Control Co- design for Networked Control Systems 显示文摘Zhang Lei Dimitrios H V 2006Automatica2006,42,6:1
10Digital watermarking for telltale tamper proofing and authentication 显示文摘K Deepa H Dimitrios 1999Proceedings of the IEEE1999,87,7:1
11Assessing the Drivers of Biodiversity in Madagascar by Quantifying Its Hydrologic Properties at the Watershed Seale显示文摘Dimitrios S Ziad S H Emmanouil N A 2014Remote Sensing Envi- ronment2014,148,:1
12C a n cer testisantigens and N Y - B R - 1 expression in p r i m a r breast cancer:prognostic and therapeutic implications 显示文摘Dimitrios B Axel Z H Sebastian M B M CCancer0,13,:1
13Toward robust logo watermarking using multiresolution image fusion principles显示文摘Deepa K Dimitrios H 2004IEEE Transactions on Multimedia2004,6,1:1
14Digital watermarking for telltale tamper proofing and authentication显示文摘Deepa K Dimitrios H 1999Proceedings of the IEEE1999,87,7:1
15Network Heavy Traffic Modeling Using AlphaStable Self-Similar Process显示文摘Anestis K Dimitrios H 2001IEEE TRANSACTIONS ON COMMU NICATIONS2001,49,7:1
16Communication and controller design for networked control systems显示文摘Zhang L Dimitrios H V 2006Automatica2006,42,6:1
17High CA 19-9 levels in benign biliary tract diseases显示文摘Konstantinos H Katsanos Margarita Kitsanou Dimitrios K Christodoulou Epameinondas V Tsianos 2002European Journal of Internal Medicine2002,,:1
18New World Record Efficiency for Cu ( In, Ga) SO2 Thin-film Solar Ceils beyond 20% 显示文摘Philip J Dimitrios H Erwin L 2011Progress in Photovoltaics : Research and Applications2011,19,7:1
19Communication and control co-design for networked control systems 显示文摘Zhang L Dimitrios H V 2006Automatica2006,42,6:1
20Iterative Closest Normal Pointfor 3D Face Recognition显示文摘HOD A M DIMITRIOS H 2013IEEE Transactions on PatternAnalysis and Machine Intelligence2013,35,2:1
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