نتایج جستجو برای: micro calcification
تعداد نتایج: 137491 فیلتر نتایج به سال:
Background and Aim: Intracranial physiologic calcification is not accompanied by any evidence of disease and has no demonstrable pathological cause. It is often due to calcium deposition in the blood vessels of different structures of the brain. Computed tomography (CT) is the most sensitive means of detection of for this calcification. The aim of this study was the assessment of the intracrani...
BACKGROUND Ossification in the posterior longitudinal ligament (PLL) correlates with changes of enthesis during the early stages of development, but this issue remains controversial, as little is known regarding the details of this process. The aim of the present study was to elucidate part of the ossification mechanism. Thus, in the present study, we observed and evaluated minute ossifications...
The purpose of this study is to describe a method that allows the calculation of a contrast-detail curve for a particular system configuration using simulated micro calcifications into clinical mammograms. We made use of simulated templates of micro calcifications and adjusted their x-ray transmission coefficients and resolution to the properties of the mammographic system under consideration (...
Background: Prognosis and management of breast cancer are defined by different variables including histological type, grading, clinical stage, Her2+, estrogen and progesterone receptor conditions. Generally, mammography is one of the most important imaging which is done in breast cancer patients. The aim of this research was to evaluate different mammographic patterns in different breast cancer...
INTRODUCTION Percutaneous coronary intervention (PCI) of chronic total coronary occlusions (CTOs) is one of the most challenging procedures of interventional cardiology and is associated with increased risk of significant complications. However, debate continues in regard to which factors adversely influence the success rate of PCI and whether the benefits of revascularization of CTO outweigh t...
PURPOSE Evaluate the rabbit augmented bladder with Pelvicol. MATERIALS AND METHODS Twenty New Zealand rabbits were divided into 4 groups. Bladder augmentation was performed using a 10 x 10 mm sized porcine acellular collagen matrix. The material was placed on the dome of the bladder wall as a patch with 5-0 polyglycolic sutures. The bladder was resected on the 7th, 14th day, 30th and 90th day...
Introduction: soft tissue calcification is a relatively common issue in panoramic radiography. These opacities include calcification of lymph nodes, tonsilolith, sialolith, calcification of stylohyoid complex and carotid artery bifurcation. This study aimed to determine the prevalence of soft tissue calcification in panoramic radiographs, their differential diagnosis, and their correlation with...
hepatic calcification is usually associated with infectious, vascular, or neoplastic processes in the liver. we report the first case of beta-thalassemia major with isolated diffuse hepatic calcification in a 23 year old woman, who had been transfusion-dependent since the age of 6 months. she was referred to our center with a chief complaint of abdominal pain. computed tomography scan of the ab...
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