نتایج جستجو برای: volumetry
تعداد نتایج: 1190 فیلتر نتایج به سال:
Background Automated brain volumetry has been widely used to assess volumetric changes that may indicate clinical states and progression. Among the tools implement automated volumetry, AccuBrain validated for its accuracy, reliability applications older version (IV1.2). Recently, underwent a substantial revision update (IV2.0) segmentation algorithms. Here, we aim compare performance of two ver...
PURPOSE To investigate the liver volume change and the potential of early evaluation by contrast-enhanced magnetic resonance imaging (MRI) using gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid (Gd-EOB-DTPA) after portal vein embolization (PVE). MATERIALS AND METHODS Retrospective evaluations of computed tomography (CT) volumetry of total liver and nonembolized areas were performed...
BACKGROUND There is increasing evidence for hormone-dependent modification of function and behavior during the menstrual cycle, but little is known about associated short-term structural alterations of the brain. Preliminary studies suggest that a hormone-dependent decline in brain volume occurs in postmenopausal, or women receiving antiestrogens, long term. Advances in serial MR-volumetry have...
BACKGROUND AND PURPOSE Our purpose was to use volumetric MR imaging to compare the extent of atrophy and discriminative ability of the volumes of two temporal lobe structures, the entorhinal cortex and the hippocampus, between patients with Alzheimer disease and control subjects. METHODS The study group consisted of 30 patients with probable Alzheimer disease diagnosed according to the Nation...
Osmotic water transport across the peritoneal membrane is applied during peritoneal dialysis to remove the excess water accumulated in patients with end-stage renal disease. The discovery of aquaporin water channels and the generation of transgenic animals have stressed the need for novel and accurate methods to unravel molecular mechanisms of water permeability in vivo. Here, we describe the u...
A quantitative analysis of small structures such as focal lesions in patients suffering from multiple sclerosis (MS) is an important issue in both diagnosis and therapy monitoring. In order to reach clinical relevance, the reproducibility and especially the accuracy of a proposed method has to be validated. We propose a framework for the generation of realistic digital phantoms of MS lesions of...
AIMS The purpose of the present study was to evaluate predictors of outcome in primary supratentorial cerebral haemorrhage. Furthermore, we aimed to develop a prognostic model to predict 30-day fatality. METHODS We retrospectively analyzed a database of 156 patients with spontaneous supratentorial haemorrhage to explore the relationship between clinical and CT characteristics and fatal outcom...
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