background and objective: uterus of rat with polycystic ovary (pco) may show pathological features. we provided pathological evidence for the rat uterus with no-induced pco.    materials and methods: wistar rats (weighing 200-250 g) were kept diestrous to receive l-arginine (50 mg/kg) intraperitoneally (i.p.) for 9 days/once a day. control group solely received saline (1 ml/kg, 9 days/once per ...

there are overwhelming reports and descriptions about celiac associated disorders. although there is a clear genetic association between celiac disease (cd) and some gastrointestinal disorders, there are controversial reports claiming an association between cd and helicobacter pylori (h. pylori) infection. different studies indicated the possible association between lymphocytic gastritis and bo...

various studies suggest that selective serotonin reuptake inhibitors (ssris) may be useful in treating pathological skin picking (psp). this study sought to assess effectiveness of citalopram in comparison with placebo in treating psp. forty five individuals with psp were recruited in a four-week, randomized clinical trial of citalopram (20 mg/day) in comparison with placebo. study measures ass...

malignancy and tumor in ent are less common but more important, also they have not any certain sign until they progress thus it will be so important that we consider some abnormal common signs when we are examine patients until do not miss them, this study was conducted to establish the various clinical modes of presentation of pharyngeal neoplasm and their correlation with final histopathologi...

background and aims: infectious bronchitis (ib), caused by infectious bronchitis virus (ibv), is an acute and highly contagious disease in chickens. ibv is considered mainly as a respiratory infection, other clinical manifestations, including renal, enteric and reproductive signs can be observed. since there has been no study on evaluation of changes in biochemical parameters during ib infectio...

background: the internet addiction, also described as pathological internet use (piu), is conceptualized by an individual's in­ability to control his or her use of the internet, which eventually causes marked distress and/or functional impairment. the aim of the present study was to investigate the prevalence of the piu among adolescence, in relation to different internet ac­tivities, and to ex...

introduction: breast cancer is the most common of all malignant neoplasms in women worldwide. this study aims to demonstrate certain biological, clinical and pathological characteristics of patients treated at the university hospital oncology unit. methods: a descriptive study was conducted during a period of 2 years, from october 2003 through september of 2005 in kermanshah, iran. 555 patients...

following experimental inoculation of 3-week-old turkeys with different titres (106, 104, 103, 102 and 101 egg infectious dose (eid50)) of a/ostrich/italy/984/2000 h7n1 highly pathogenic avian influenza virus (hpaiv), the selected tissues and organs were examined for pathological changes. tissue samples from different organs that obtained from dead and sacrificed birds were fixed in 10% neutral...

we studied the hepatotoxic effects of a deltamethrin containing formulation (decis®) on developing em-bryo of gallus domesticus. fertilized eggs were immersed in three different concentrations of deltamethrin (12.5, 25 and 50 mg/l) for 60 min at 37 ˚c prior to incubation (ed 0) and on the 4th day of incubation (ed 4) and incubated till embryonic day (ed) 16. exposure to 50 mg/l of deltamethrin ...

statement of the problem removal of impacted third molars is the most common oral surgical procedure. many investigators have questioned the necessity of removal in patients who are free of symptoms or associated pathologies. there are currently no data on the prevalence of impacted teeth and associated pathologies in the hamadani population. purpose the aim of this study was to assess the stat...