نتایج جستجو برای: Brain
تعداد نتایج: 473214 فیلتر نتایج به سال:
background neurosurgical treatment and the severity of head injury (hi) can have remarkable effect on patients’ neuropsychiatric outcomes. objectives this research aimed to study the effect of these factors on cognitive functioning, general health and incidence of mental disorders in patients with a traumatic brain injury (tbi). patients and methods in this descriptive, longitudinal study, 206 ...
in this paper, we present a new brain tissue segmentation method based on a hybrid hierarchical approach that combines a brain atlas as a priori information and a least-square support vector machine (ls-svm). the method consists of three steps. in the first two steps, the skull is removed and cerebrospinal fluid (csf) is extracted. these two steps are performed using the fast toolbox (fmrib's a...
60-year-old woman was treated for a brain metastasis. the patient received intensity-modulated radiation therapy (sib-imrt) dose of 30 gy for the whole brain and 40 gy delivered simultaneously to individual brain metastases in 10 fractions. the present report investigated the influence of applied novel prepared treatment plan, among others the fractionation protocol on the electroencephalogram ...
computed tomography (ct) is now the primary diagnostic method for head trauma because of its ability to demonstrate the nature, extent, sites, and multiplicity of brain injuries. although there have been numerous reports on the ct findings of most types of intracranial injury, the findings in brainstem injury have not been well described. this study aimed at comparing the autopsy findings of br...
conclusions changes in s100b protein, especially the levels of this dimer 48 hours after trauma can be used as marker to predict brain death. alongside other known prognostic factors such as age, gcs and diameters of the pupils, however, this factor individually can not conclusive predict the patient's clinical course and incidence of brain death. however, it is suitable to use gcs, ct scan, cl...
Background and purpose: Since headache is one of the common problems in children and adolescents and only a minority of them have a life threatening intracranial lesions and performing brain ÇT scan in many of such cases is costly, therefore it was decided to evaluate the findings of brain ÇT scan of children with chronic and recurrent headache. Materials and Methods: This study was perfor...
Background and Objective: Stroke is the third most common cause of death in industrialized countries after cardiovascular diseases and cancer. Despite numerous defenses, the brain is vulnerable to oxidative stress resulting from ischemia and reperfusion. Due to the relationship between olive oil consumption and low cardiovascular mortality and morbidity, this study was accomplished to investiga...
Elite migration and brain drain trend in Iran have undergone a dramatic ascent in the past few decades while we are seriously in need of educated manpower to help accomplish the 20-year national vision. So to consider brain drain is necessary and must be accounted by policymakers in all levels. In the upcoming paper, we study the brain drain as a social problem and elaborate a five-dimensional ...
Background and purpose: Autism spectrum disorder (ASD) is a psychiatric disorder which occurs in early years of life and causes various individual and social problems. Early detection of autism would help in taking necessary precautions and preventing its adverse side effects. Methods & Materials: In this paper, we reviewed the articles that have investigated brain structural changes caused by...
the brain is a rare site for metastasis in most extracranial pediatric solid tumors, including wilm’s tumor. outcome for these patients are generally dismal. very few cases have been reported to have good survival even after therapy. this paper reports a case of stage iv wilm’s tumor with lung metastases in a patient who developed a solitary brain metastasis five months after completion of chem...
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