نتایج جستجو برای: gastric cancer
تعداد نتایج: 973988 فیلتر نتایج به سال:
Background: North of Iran is amongst high incidence rate areas of gastric carcinoma where environmental carcinogenic compounds especially agricultural pesticides are massively used. Cytochrome P450 2E1 (CYP2E1) enzyme metabolically activates a large number of low molecular mass xenobiotics. The polymorphic nature of cyp2E1 gene control elements is associated with interindividual differences...
In this observational case control survey, ninty patients with histologic diagnosis of gastric cancer from two university hospitals were studied retrospectively. A sizable 50 % of the patients were farmers who lived in the remote and under developed rural areas being in contact with nitrate fertilizer and nitrated soil and having little or no access to the modern food storage and preservations ...
alpha-fetoprotein producing gastric cancer accounts for less than 10% of the gastric adenocarcinomas. different histologic subtypes may exist, the least common of which is yolk sac morphology. to the best of our knowledge less than 10 cases have been reported with high alpha-fetoprotein and yolk sac components, either pure or mixed with ordinary adenocarcinoma of the stomach. during 10 years, f...
Background and purpose: According to recent studies melatonin has been known as a potent anti-oxidant with anti-oncostatic and cytoprotective properties. The gastrointestinal tract is the major source of melatonin in periphery. Therefore, many scientists suppose a protective role for melatonin in gastrointestinal tract. Also, there is a high rate of gastric adenocarcinoma in Mazandaran province...
Background: Among all cancers, malignancies of gastrointestinal tract are the most common cancer among Iranian population. Dietary behavior is thought to be the most important risk factor in gastric cancer. Fear and perceived severity are two important constructs of the protection motivation theory (PMT). Despite the evidence of the impact of these two constructs in modifying dietary habi...
Background & Objective: Gastric cancer is the second most frequent cause of cancer death worldwide, despite differences in incidence around the world. The majority of gastric cancer cases concern gastric adenocarcinoma, which has a fairly high 5-year survival rate when coupled with early-stage diagnosis. Versican, a member of the aggregating chondroitin sulfate proteoglycans fa...
Background & Aims: Gastric carcinoma is the second most frequent cancer worldwide. Adjuvant treatment of gastric cancer varies worldwide; many differences have been observed in their clinical and pathological features, and survival rate. The aim of this study was to determine clinical and pathological features, and survival rate in a group of patients in south-east of Iran. Methods: Patient rec...
background host genetic and environmental factors are involved in development of gastric cancer. tumor necrosis factor (tnf)-î±| has a key role in helicobacter pylori -induced gastritis. we analyzed the association between tnf-î± polymorphism and the risk of gastric cancer in an iranian population residing in northeastern iran. materials and methods in a case-control study, the genotyping was c...
Objective: Helicobacter pylori has a well-established role in the development of gastric cancer. In vitro studies reveal increased proliferation of the gastric mucosa in the presence of H. pylori infection. It has been also shown that production of some cytokines, such as interleukin-1 beta (IL-1b) is in...
Background and purpose: Cancer is the one common cause of death in developed and the developing countries. Still gastrointestinal cancers is a major cause of Deaths from cancerin the north of the IRAN, this part is a place that located on the Esophageal Cancer belt. As well as is one of esophageal cancer focuses in the world. At the north east of IRAN such as TORKAMAN SAHRA that reaches a maxim...
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