منابع مشابه
Lung cancers missed on chest radiographs: results obtained with a commercial computer-aided detection program.
PURPOSE To retrospectively determine the sensitivity of and number of false-positive marks made by a commercially available computer-aided detection (CAD) system for identifying lung cancers previously missed on chest radiographs by radiologists, with histopathologic results as the reference standard. MATERIALS AND METHODS Institutional review board approval was obtained for this HIPAA-compli...
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Prompt and accurate diagnosis of cervical spine injury is important to prevent the catastrophic results that can be caused by undetected lesions. Delayed or missed diagnosis of cervical spine injury occurs with an incidence of 5 to 20% according to previous studies. In this study, we report four cases of cervical instability without initial radiologic evidence. These cases demonstrate that dyna...
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This article describes a method for clarifying and sharpening radiographs. The method uses convolution with a computed tomography reconstruction kernel and a noise elimination procedure to control the noise amplification of the convolution. The effect is to flatten global variations and to sharpen and magnify local variations. Examples from industry and medicine are included.
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Over the past two decades, molecular genetic research has helped to elucidate the genetic component of many diseases and conditions. Patients can now be tested for a wide variety of disease-causing genes to improve dia gnoses and risk predictions for patients and their families (www.eddnal.com). This, in turn, has allowed physicians to provide advice on lifestyle or other preventative measures ...
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Back in 2002, when the UN-sponsored, intergovernmental Convention on Biological Diversity (CBD) set targets aiming to reduce the loss of biodiversity by 2010, that date must have looked very distant, providing ample time to change the world and turn the tides on the loss of wild nature. However, the time has come — probably sooner than everybody expected — and the CBD’s third Global Biodiversit...
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ژورنال
عنوان ژورنال: Emergency Medicine Journal
سال: 1994
ISSN: 1472-0205,1472-0213
DOI: 10.1136/emj.11.2.129-b