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- W977155478 abstract "This chapter highlights the benefits and limitations of the currently available imaging techniques. It also reviews radiology, with an emphasis on plain radiography and computed tomography (CT) in patients with asthma and chronic obstructive pulmonary disease (COPD). Plain chest radiography, as an imaging tool, is relatively beneficial because of its low cost, speed, and low radiation. But despite these advantages, this conventional radiography is not able to achieve an optimal exposure throughout the image and provides incomplete information; therefore, it is regarded as an imperfect method for lung imaging. However, high-resolution CT (HRCT) has added a further dimension to the noninvasive investigation of lung disease. Subtle parenchymal abnormalities, which were unnoticeable on plain radiographs, are readily depicted on HRCT. Some other current imaging techniques include nuclear medicine scanning, single positron emission tomography, and magnetic resonance imaging used in specific circumstances. The wider availability of spiral and multidetector CT machines allows rapid acquisition of volumetric images, and the data so obtained provide valuable insights into the pathophysiology of obstructive lung diseases. More detailed analyses of subtle density differences on CT in the future can facilitate more accurate diagnosis and help in the stratification of patients currently categorized under the generic term “COPD.”" @default.
- W977155478 created "2016-06-24" @default.
- W977155478 creator A5038438003 @default.
- W977155478 creator A5044481124 @default.
- W977155478 date "2002-01-01" @default.
- W977155478 modified "2023-09-23" @default.
- W977155478 title "Imaging" @default.
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