By means of immunohistochemical staining, cells actively infected with human herpesvirus 6 (HHV-6) were found in central nervous system tissues from 8 (73%) of 11 patients with definite multiple sclerosis (MS). Interestingly, 17 (90%) of 19 tissue sections showing active demyelination were positive for HHV-6-infected cells compared with only 3 (13%) of 23 tissue sections free of active disease ...

background and aims: students experience some degrees of mental disorders during their life. therefore, the present study was conducted to determine the prevalence and risk factors of mental disorders among the secondary school students in ilam, iran. methods: this is a cross sectional study, carried out among the secondary school students in ilam, iran. we assessed 841 students including 446 m...

background: as insomnia is common, especially among the elderly in the nursing homes, we aimed to estimate insomnia prevalence among the elderly residing in nursing homes as well as to determine factors associated with insomnia in the elderly. methods: this cross-sectional study was carried out in 2009 on 772 elderly residents at kahrizak nursing home, tehran iran. the information was gathered ...

conclusions lack of supervisor support can result in psychological distress leading to symptoms experienced by the employees. results the results showed that there was a significant internal correlation between supervisor support with physical symptoms and psychological distress (p < 0.05). regression analysis indicated that supervisor support significantly reduced the effect of psychological d...

menorrhagia is the most common symptom that is experienced by women with bleeding disorders. von willebrand disease (vwd) is the most common congenital human bleeding disorder that is manifested as a quantitative deficiency in von willebrand factor (vwf) or dysfunction of this factor. the frequency of vwd is similar in both men and women. however, vwd is more readily detected in women due to th...

conclusions the results of this study in terms of personality disorders and types of used drugs were in accordance with the previous studies results. it is necessary to design appropriate treatment plans for medical treatment of those with personality disorders. results there was a significant correlation between stimulant use and histrionic personality disorder (p < 0.001) and antisocial and n...

The recovery of visual performance and pupil responses were investigated in patients with demyelinating optic neuritis (ON) and multiple sclerosis (MS). The pupil constriction amplitude and the time delay (latency) of the pupil response were measured in 14 patients with a history of unilateral ON in response to either achromatic (luminance) or chromatic (isoluminant) stimulus modulation. Five o...

Some patients ultimately diagnosed with primary CNS lymphoma (PCNSL) have transient symptomatic contrast enhancing lesions. These "sentinel lesions" of PCNSL recede spontaneously or with corticosteroid treatment and present an important diagnostic dilemma because they show variable, but non-diagnostic histopathological features. Four previously healthy, immunocompetent patients aged 49 to 58 ye...