نتایج جستجو برای: lesions volume
تعداد نتایج: 476769 فیلتر نتایج به سال:
There is wide agreement that spatial memory is dependent on the integrity of the hippocampus, but the importance of the hippocampus for nonspatial tasks, including tasks of object recognition memory is not as clear. We examined the relationship between hippocampal lesion size and both spatial memory and object recognition memory in rats. Spatial memory was impaired after bilateral dorsal hippoc...
PURPOSE Chest wall pain and discomfort has been recognized as a significant late effect of radiation therapy in historical and modern treatment models. Stereotactic Body Radiotherapy (SBRT) is becoming an important treatment tool in oncology care for patients with intrathoracic lesions. For lesions in close approximation to the chest wall with motion management, SBRT techniques can deliver high...
BACKGROUND It is not well known which plaque components are associated with the development of plaque prolapse (PP) and what are the major components in prolapsed plaque. The relationship between pre-stenting plaque components and post-stenting PP was assessed and the plaque components of prolapsed plaque were evaluated in patients who underwent drug-eluting stent (DES) implantation using virtu...
White matter lesions are common pathological findings in MR tomograms of elderly subjects. These lesions are typically caused by small vessel diseases (e.g., due to hypertension, diabetes). In this paper, we introduce an automatic algorithm for segmentation of white matter lesions from volumetric MR images. In the literature, there are methods based on multi-channel MR images, which obtain good...
Herpetic infection has a chronic character, characterized by periodic exacerbations. Occurs in children of different ages who have had an acute with the Herpes Simplex virus. The most important clinical sign recurrent herpetic stomatitis is typical, permanent localization lesions. Localization lesion elements during relapse depends on primary infection. Children complain pain area lesions oral ...
There is presently no line of distinction between oral lichen planus and other oral lichenoid lesions. The aim of this study is to determine using histomorphometry, the differences between these lesions. Paraffin sections from 7 normal buccal epithelium, 19 oral lichen planus (LP), 14 oral lichenoid lesions (LL) and 7 discoid lupus erythematosus-like lesions (DLE-ll) were selected. The nuclear ...
OBJECTIVE This study determined the effect of vascular occlusion on radiofrequency lesion shape, volume, and temperature in a porcine liver model. SUBJECTS AND METHODS Radiofrequency lesions (n = 33) were created in the livers of six domestic pigs in vivo using a multiprong radiofrequency electrode. Lesions were randomly assigned to one of four vascular occlusion groups: portal vein, hepatic ...
Specific Aim 2: To determine whether use of hyperbaric oxygen impacts MRI parameters. MRI parameters will be evaluated at baseline and 6 months to determine: 2a) Thalamic volume loss 2b) Magnetization transfer ratio (MTR) change in baseline lesions. 2c) Magnetization transfer (MT) histogram whole brain and normal appearing brain tissue change (white matter and gray matter). 2d) Accumulation of ...
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