brain scans
Lens Exposure during Brain Scans Using Multidetector Row CT Scanners: Methods for Estimation of Lens Dose
... Table 1 shows the formulas for CTDI and its variations. However, the surface dose is not constant along the z-axis in the scanning range of whole-brain CT. The dose profile along the z-axis has multiple peaks ...
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Radiological profiles of nasopharyngeal anatomy as seen in computed tomography scans of normal patients undergoing brain scans for other neurological problems in Konkani population
... Rosenmueller and further, to chart out the normal dimensions of nasopharynx in Konkani population. Nasopharynx has been studied using a variety of techniques like dye injection, rhinomanometry with the pressure-flow ...
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Enhancing Gray to White Matter Contrast in 3T T1 Spin Echo Brain Scans by Optimizing Flip Angle
... the images could be defined independently by auto- matically segmenting an additional MPRAGE se- quence with high resolution into gray and white mat- ter probability maps (11, 12, 15). The MPRAGE sequence with high ...
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From introspections, brain scans, and memory tests to the role of social context:advancing research on interaction and learning
... of its potential for learning, leading to more terms such as uptake and modified output+ Thus, this issue is not unique to interaction research+ Many interaction studies focus narrowly o[r] ...
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Subdural hygroma versus atrophy on MR brain scans: "the cortical vein sign"
... We describe a method of distinguishing between subdural hygroma and atrophy that depends on objective observation of whether the cortical veins cross the fluid collection over the convex[r] ...
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Survival Following Brain Metastases in Wilms' Tumor
... On October 7 and November 10, 1970, the brain scans were miormal and subsequent scans have all been normal to the present time (Fig. Intravenously administered vincris- tine sulfate, 1.5[r] ...
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Subcortical brain volume abnormalities in 2028 individuals with schizophrenia and 2540 healthy controls via the ENIGMA consortium
... of brain structural abnormalities in schizophrenia is still not fully understood, despite decades of research using brain ...analyzed brain MRI scans from 2028 schizophrenia patients and 2540 ...
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Analysis of Imaging Artifacts in MR Brain Images
... MR brain data. Physiological phenomena artifacts in brain scans are caused by a variety of factors such as respiration, heartbeat, twitching, tremor which affect the quality of MR brain ...in ...
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Computed Tomographic Demonstration of Cerebral Edema in a Child With Galactosemia
... Serial computed tomographic brain scans (CTs) demon- strated the presence of diffuse cerebral edema and the subsequent appearance of white matter hypo- densities (residual edema) that re[r] ...
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Comparison of dynamic CT and stable xenon CT in ischemic cerebrovascular disease
... This cannot always be done directly from brain scans, but a relative value for the total tissue flow can be calculated by using the area under the curve of the contrast concentration as [r] ...
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Fulminant listerial infection of the central nervous system in an otherwise healthy patient: a case report
... tomography brain scans revealed multiple frontal hypodense areas and slight ...tomography brain scans confirmed the severity of the brain damage; hence, dexamethasone and mannitol were ...
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Risk factors for delayed neuro-surgical intervention in patients with acute mild traumatic brain injury and intracranial hemorrhage
... In the initial brain CT, only volume of EDH was the risk of delayed neuro-surgical intervention. The median volume of EDH was larger than volume of SDH and IPH. Patients can tolerate the larger volume of EDH ...
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Failure to identify cerebral infarct mechanisms from topography of vascular territory lesions
... The present study challenges the concept that to- pographic stroke patterns as revealed by brain imag- ing studies represent markers for the identification of particular stroke mechanisms. This concept dates back ...
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Improved Fuzzy C-Means For Brain Tissue Segmentation Using T1-Weighted Mri Head Scans
... In recent years, many approaches have been developed to the brain tissue segmentation and analysis. Benaichouche et al. [6] proposed an improvement method for image segmentation using the FCM clustering algorithm. ...
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Reversible posterior leukoencephalopathy syndrome induced by apatinib: a case report and literature review
... Abstract: Reversible posterior leukoencephalopathy syndrome (RPLS) is a rare clinical- radiologic syndrome. There are reports that RPLS may be associated with cancer therapy including some chemotherapy drugs and ...
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Diagnostic performance of regional cerebral blood flow images derived from dynamic PIB scans in Alzheimer’s disease
... The subjects were first diagnosed by consensus of a multidisciplinary team based on clinical assessment fol- lowing the guidelines of the National Institute on Aging Alzheimer’s Association criteria (NIA-AA) [26] for the ...
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Glioblastoma Multiforme Identification from Medical Imaging Using Computer Vision
... Images obtained or used should be of MRI scans and these scanned images are displayed in a two dimensional matrices which will have the number of pixels as its elements. Images are stored in Matlab and converted ...
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Shallows,WebShattersFocus.pdf
... During the winter of 2007, a UCLA professor of psychiatry named Gary Small recruited six volunteers—three experienced Web surfers and three novices—for a study on brain activity. He gave each a pair of goggles ...
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Cortical pencil lining on SWI MRI in NBIA and healthy aging
... SWI scans of NBIA cases or individuals with other neu- rodegenerative disorders with iron ...for brain iron accumula- tion using NSIR during eight decades of healthy aging and suggest to further explore ...
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Differences in neuropsychological and behavioral parameters and brain structure in patients with familial adenomatous polyposis: a sibling-paired study
... We report the first study exploring neuropsychological, social-emotional, and structural brain characteristics of patients with FAP. Based on informal clinical observa- tion, we expected within-pair differences ...
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