نتایج جستجو برای: radiologically definite multiple sclerosis
تعداد نتایج: 814461 فیلتر نتایج به سال:
The diagnostic value of the pattern reversal evoked cortical potential (VEP) and the somatosensory evoked cortical potential (SEP) has been compared in 50 patients with established or suspected multiple sclerosis. A prolonged latency of VEP was found in 96% of definite cases of multiple sclerosis, 58% of probable cases, and 20% of possible cases. A prolonged latency of SEP by stimulation of med...
The prevalence of radiological criteria of chronic sinus infection was compared in 42 cases of clinically definite or laboratory supported definite multiple sclerosis and 84 controls. No increase in relative risk of multiple sclerosis associated with the presence of chronic sinus infection was observed (odds ratio 1.2, 95% CI 0.5 to 3.1). The maxillary sinus was infected more often than the oth...
Visual, somatosensory and brain stem auditory evoked potentials were recorded in 84 patients in whom the diagnosis of multiple sclerosis was under consideration. The patients were followed up for a maximum of 38 months or until a definite diagnosis of multiple sclerosis or of some other condition was established. Seven patients were found not to have multiple sclerosis. Abnormal evoked potentia...
A prospective study involving 87 patients was carried out to evaluate the necessity for a high dose of contrast material in addition to delayed computed tomographic (CT) scanning for optimal detection of the lesions of multiple sclerosis in the brain. In patients with either clinically definite multiple sclerosis or laboratory-supported definite multiple sclerosis, CT scans were obtained with a...
Natural history studies have identified factors that predict evolution to multiple sclerosis or risk of disability accumulation over time. Although these studies are based on large multicentre cohorts with long follow-ups, they have limitations such as lack of standardized protocols, a retrospective data collection or lack of a systematic magnetic resonance imaging acquisition and analysis prot...
In most patients with multiple sclerosis, the disease initiates with a first attack or clinically isolated syndrome. At this phase, magnetic resonance imaging is an important predictor of conversion to multiple sclerosis. With the exception of oligoclonal bands, the role of other biomarkers in patients with clinically isolated syndrome is controversial. In the present study, we aimed to identif...
To the editor: In their article on multiple sclerosis (Can Med Assoc J 1982; 126: 377-382, 385) the most recent reference Warren and coworkers cite on familial predisposition to multiple sclerosis is 19 years old.' This gives the false impression that no recent work has been done in this area. I would like to report some recent studies conducted in British Columbia on the genetic aspects of mul...
BACKGROUND In patients who present with clinically isolated syndromes suggestive of multiple sclerosis, interferon beta-1a is effective in delaying evolution to clinically definite disease and in reducing MRI-measured disease activity. We aimed to assess whether this drug can also reduce the rate of brain volume decrease in such patients enrolled in the ETOMS (early treatment of multiple sclero...
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