gastrointestinal stromal tumors (gists) are uncommon tumors of the gastrointestinal (gi) tract that occur predominantly in adults. these tumors originated from cajal cells have positive mutations for kit (cd117) or platelet-derived growth factor receptor (pdgfra). gist especially multiple gists are very rare in children and lacking mutations in kit. we present a previously healthy 13 year- old ...

introduction: heterotopic gastrointestinal cyst of the oral cavity is an extremely rare lesion with fewer than 40 cases reported in the english literature. it usually involves the soft tissue covering the floor of the mouth and the tongue. lining of this lesion resembles gastric or intestinal mucosa. case report: in this report we describe the lesion in two boys and discuss their pathogenesis.

chronic granulomatous disease (cgd) represents a group of inherited disorders of phagocytic system, manifesting recurrent infections at different sites. the present study was accomplished in order to determine the gastrointestinal manifestations of cgd patients. fifty-seven patients (38 males and 19 females) with cgd, who had been referred to three immunodeficiency referral centers in iran, wer...

introduction: ramadan is the ninth month of muslim's calendar during which muslims fast. ramadan lasts 29-30 days based on the visual sightings of the crescent moon. fasting during ramadan has significant health effects. the present study aimed at reviewing the literature of the impact of ramadan fasting on upper gastrointestinal disorders. results: gastric acid and pepsin secretion increa...

background : the purpose of this study was to determine reliability and construct validity of a persian version of the gastrointestinal symptoms rating scale (gsrs) in 2 samples of patients with functional gastrointestinal disorders (fgid) and healthy persons. materials and methods : the clinical sample consisted of 143 patients diagnosed with fgid who were referred to the psychosomatic disorde...

background: the purpose of this study was to compare alexithymia, anxiety, depression and severity of gastrointestinal symptoms in patients with functional gastrointestinal disorders and psychiatric patients. materials and methods: this was a comparative study. study subjects consisted of 210 individuals; 129 patients with functional gastrointestinal disorders (fgid) who referred to the psychos...

esophaggogastroduodenoscopy

the use of anticoagulant and antiplatelet agents has become more prevalent during the past decades. these drugs may potentially cause gastrointestinal (gi) bleeding. thus, there is an increasing need for gi endoscopy in patients who take these medications. in patients who take anticoagulant and antiplatelet agents, the appropriate conditions under which endoscopic procedures should be performed...

determination of normal gastric emptying time and small intestinal transit time are useful in detecting gastrointestinal motility disorders and partial obstructions of the pylorus or small intestine. this study was conducted to evaluate iodixanol as a contrast agent in the gastrointestinal tract in new zealand white rabbit. twelve clinically healthy adult rabbits were prepared and kept for two ...

introduction of ostrich (struthio camelus domesticus), a new exotic host species to a new ecosystem likeiran, necessitates the study of its infectious diseases including parasitic infestations. for a period of one year, from 2002–03, faecal samples of 254 ostriches on 5 farms located at different parts of iran, includinggarmsar, semnan province (n = 85); nashtaroud, mazandaran province (n = 29)...