نتایج جستجو برای: plaques
تعداد نتایج: 21598 فیلتر نتایج به سال:
PURPOSE To investigate the ex vivo performance of high-resolution computed tomography (CT) for quantitative assessment of percentage diameter stenosis in coronary arteries compared to histopathology. MATERIALS AND METHODS High-resolution CT was performed in 26 human heart specimens after the injection of iodinated contrast media into the coronary arteries. Coronary artery plaques were visuall...
OBJECTIVE Because of beam-hardening and blooming artifacts, it is difficult to determine the degree of stenosis caused by calcified coronary artery plaques at coronary CT angiography (CTA). Our goal was to determine how accurate coronary CTA is in evaluating these lesions. MATERIALS AND METHODS Thirty-one patients who had one or more calcified coronary artery plaques at coronary CTA underwent...
Noninvasive monitoring of β-amyloid (Aβ) plaques, the neuropathological hallmarks of Alzheimer's disease (AD), is critical for AD diagnosis and prognosis. Current visualization of Aβ plaques in brains of live patients and animal models is limited in specificity and resolution. The retina as an extension of the brain presents an appealing target for a live, noninvasive optical imaging of AD if d...
Identification of amyloid beta (Aβ) plaques in the cerebral cortex models Alzheimer’s Disease (AD) is critical importance for research into therapeutics. Here we propose an innovative framework which automatically measures Aβ a rodent model, based on anatomical segmentation using deep learning approach. The has three phases: data acquisition to enhance image quality preprocessing techniques and...
OBJECTIVE To determine if UV-B phototherapy clears psoriasis through systemic effects. DESIGN Randomized, within-subject comparison of change in psoriasis in 3 plaques in patients attending for whole-body UV-B therapy. Change in patients' psoriasis plaques covered during UV-B treatment was compared with plaques in an untreated control group. SETTING University hospital phototherapy unit. ...
This study did not show any association between plaques and genotypes IL10 (-819), IL10 (-1082), and IL6 in women with multiple sclerosis.
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