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    Atypical gastrointestinal plasmacytomas presenting with gastrointestinal bleeding in a patient with multiple myeloma
    (TURKISH SOC GASTROENTEROLOGY, 2012) Gungor, Gokhan; Goktepe, M. Hakan; Kayacetin, Ertugrul; Tuna, Tuncer; Esen, Hasan; Demir, Ali
    [Abstract not Available]
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    Gastric ulcer penetrating to liver diagnosed by endoscopic biopsy
    (BAISHIDENG PUBLISHING GROUP INC, 2004) Kayacetin, Ertugrul; Kayacetin, Serra
    Liver penetration is a rare but serious complication of peptic ulcer disease. Usually the diagnosis is made by operation or autopsy. Clinical and laboratory data were no specific. A 64-year-old man was admitted with upper gastrointestinal bleeding. Hepatic penetration was diagnosed as the cause of bleeding. Endoscopy showed a large gastric ulcer with a pseudotumoral mass protruding from the ulcer bed. Definitive diagnosis was established by endoscopic biopsies of the ulcer base.
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    Helicobacter pylori infection in patients with autoimmune thrombocytopenic purpura
    (BAISHIDENG PUBLISHING GROUP INC, 2004) Kurtoglu, Erdal; Kayacetin, Ertugrul; Ugur, Aysegul
    AIM: To compare the prevalence of Helicobacter pylori (H pylori) infection in autoimmune thrombocytopenic purpura (AITP) patients with that of nonthrombocytopenic controls, and to evaluate the efficacy of the treatment in H pylori(+) and H pylori(-) AITP patients. METHODS: The prevalence of gastric H pylori infection in 38 adult AITP patients (29 female and 9 male; median age 27 years; range 18-39 years) who consecutively admitted to our clinic was investagated. RESULTS: H pylori infection was found in 26 of 38 AITP patients (68.5%). H pylori infection was found in 15 of 23 control subjects (65.2%). The difference in H pylori infection between the 2 groups was not significant. Thrombocyte count of H pylori-positive AITP patients was significantly lower than that of H pylori-negative AITP patients (P<0.05). Thrombocyte recovery of H pylori-positive group was less than that of H pylori-negative group (P<0.05). CONCLUSION: H pylori infection should be considerecd in the treatment of AITP patients with H pylori infection.
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    Mangafodipir trisodium-enhanced magnetic resonance imaging for evaluation of pancreatic mass and mass-like lesions
    (W J G PRESS, 2006) Eser, Gul; Karabacakoglu, Aydin; Karakose, Serdar; Eser, Cengiz; Kayacetin, Ertugrul
    AIM: To investigate the role of mangafodipir trisodium (MnDPDP) in focal pancreatic masses and mass-like lesions by evaluating contrast uptake features of the lesions and pancreatic parenchyma after contrast medium injection. METHODS: A total of 37 patients with pancreatic mass or mass-like lesions were examined by unenhanced and MnDPDP-enhanced magnetic resonance imaging (MRI). RESULTS: MRI was obtained 20-40 min after infusion of MnDPDP and homogeneous contrast enhancement was observed in normal pancreas parenchyma. In patients with atrophic pancreas there was no enhancement in pancreatic parenchyma on MnDPDP-enhanced MRI. In 37 patients with 41 pancreatic masses and mass-like lesions, contrast enhancement was observed at 5 lesions on MnDPDP enhanced MRI. Three of these 5 lesions were focal pancreatitis and the other 2 were adenocarcinoma. No contrast enhancement was determined in 36 pancreatic masses and mass-like lesions in 32 patients. CONCLUSION: MnDPDP contrast-enhanced MRI, especially in cases with no parenchyma atrophy, can distinguish focal pancreatic lesion margins. Information about the function of pancreatic parenchyma can be obtained out of tumor. MnDPDP facilitates staging of pancreatic tumors by detection of metastatic lesions in the liver. In addition, diminished heteregenous uptake of MnDPDP in patients with pancreatitis may be helpful in differential diagnosis. (C) 2006 The WJG Press. All rights reserved.
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    Mesenteric Ischemia: An unusual presentation of fistula between superior mesenteric artery and common hepatic artery
    (BAISHIDENG PUBLISHING GROUP INC, 2004) Kayacetin, Ertugrul; Karakose, Serdar; Karabacakoglu, Aydin; Emlik, Dilek
    Chronic mesenteric ischemia is an uncommon condition associated with a high morbidity and mortality. We reported a 36-year old women with postprandial abdominal pain due to chronic mesenteric ischemia caused by a fistula between superior mesenteric and common hepatic artery.
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    Understanding mechanisms of the pathogenesis of nonalcoholic fatty liver disease
    (BAISHIDENG PUBLISHING GROUP INC, 2010) Basaranoglu, Metin; Kayacetin, Serra; Yilmaz, Nevin; Kayacetin, Ertugrul; Tarcin, Orhan; Sonsuz, Abdullah
    A central issue in the understanding of the pathogenesis of nonalcoholic fatty liver disease is the problem of the underlying mechanisms which are not fully understood. In the setting of excessive central adiposity, insulin resistance is the major underlying cause of fat accumulation in hepatocytes. Because of the difficulties with human trials, several animal models have been developed for this purpose mainly characterized as follows: genetically disturbed or murine fatty liver, methionine-choline deficient diet fed or murine steatohepatitis, and high-fat or sucrose diet fed models. Although these animal models have provided useful information, none of them accurately reflect genetic, metabolic and biochemical characteristics of the human disease. (C) 2010 Baishideng. All rights reserved.