human infection with the coccidia parastite, isospora belli is relatively uncommon. human isosporiasis in iran was first reported by hadjian in 1961. 5 yearly, about 200 stool samples have been examined by direct and formol-ether concentration techniques in the protozoology unit, school of public health, tehran university of medical sciences. in addition to the common protozoal and helminthic i...

BACKGROUND Testing stool for occult blood at the time of digital rectal examination (DRE) has been discouraged because it is thought to increase the number of false-positive test results. OBJECTIVE To compare the diagnostic yield of colonoscopy and the cost per cancer detected in asymptomatic patients with a positive fecal occult blood test result obtained by DRE with that obtained from spont...

Materials and methods: Stool samples from diarrheic patients admitted to Dokuz Eylül University Medical Faculty were collected on a specifi c day of the week. Stool samples sent to our laboratory from patients aff ected by a diarrhea epidemic in İzmir were also included in the study. A total of 162 stool samples were examined by microscopic and molecular methods, and the validity of the molecul...

Rapid and effective methods for the isolation of Clostridium difficile from stool samples are desirable to obtain isolates for typing or to facilitate accurate diagnosis of C. difficile-associated diarrhea. We report on the evaluation of a prototype chromogenic medium (ID C. difficile prototype [IDCd]) for isolation of C. difficile. The chromogenic medium was compared using (i) 368 untreated st...

INTRODUCTION Clostridium difficile infections predominatelly occur among hospitalized patients. The aim of this study was to evaluate the importance of finding the isolate of Clostridium difficile cultured from the stool of hospitalized patients. MATERIAL AND METHODS Material consisted of 100 patients with at least one liquid stool samples and control group with form stool. Every patient spen...

background : animal models have been proven useful in elucidating the details of interaction between pathogenic bacteria and their human hosts, in addition to assessing the efficacy of therapeutic compounds and vaccines. in this study, we investigate the colonization of helicobacter pylori ( h. pylori ) in experimentally-infected guinea pigs over a six-month period. materials and methods: a bac...

background : enteroaggregative e. coli (eaec) is increasingly recognized as a cause of often persistent diarrhea in children and adults in both developing and developed countries. the aim of the present study was to investigate the presence and the frequency of eaec as etiologic agent of diarrhea in shiraz. methods : a total of 715 stool samples were collected from patients with diarrhea in shi...