background : approach to the small intestine has been difficult even with newer methods. double-balloon enteroscopy (dbe) has been created for diagnostic and therapeutic interventions in diseases of the small intestine. small intestinal diseases have different etiologies in each country. the dbe has been introduced in recent years in iran. our aim was to study the indications and results of dbe...

background: intestinal parasitic infection is one of the major public health problems in developing countries. children are more vulnerable to these infections. in addition, the prevalence of infection is different among various communities; hence, there is a need for the periodical prevalence evaluation. this study was performed to define the prevalence of intestinal parasitic infection among ...

the main inflammatory bowel disorders are including celiac disease (cd), inflammatory bowel diseases (ibd) and irritable bowel syndrome (ibs). celiac disease is a digestive and autoimmune disorder that can damage the small intestine and characterized by a multitude gastrointestinal (gi) and extra gi symptoms. ibd (including ulcerative colitis and crohn’s disease) is a group of inflammatory cond...

background : ulcerative colitis an inflammatory bowel disease (ibd) and chronically idiopathic immune related that associates with extraintestinal manifestations such as arthritis. despite of the highly specificity ofanti-cyclic citrullinated peptide (ccp) antibodies for rheumatoid arthritis, their role in ibd remains unclear . there are only a few studies on the prevalence of anti-ccp antibodi...

celiac disease (cd) is an autoimmune enteropathy induced by the ingestion of gluten in genetically predisposed individuals who carry the hla dq2 or dq8 alleles. the etiology is multifactorial involving genetic and environmental factors, immune response, and intestinal dysbiosis. the innate and acquired t-cell mediated immunity play important roles in the pathogenesis of this disease, particular...

heavy chain disease, mediterranean lymphoma, and immunoproliferative small intestinal disease

Intestinal stem cells (ISCs) are a group of rare cells located in the intestinal crypts which are responsible for the maintenance of the intestinal homeostasis and intestinal regeneration following injury or inflammation. Lineage tracing experiments in mice have proven that ISCs can repopulate the entire intestinal crypt. It is noteworthy that in such experiments, only a subset of intestinal cr...

prevalence and severity of non-alcoholic  fatty liver disease (nafld) in morbidly obese patients before and after modified intestinal surgery