Chronical Obstructive Pulmonary Disease (COPD) is an obstructive lung disease and mainly consists of emphysema and chronic bronchitis. Recent works proposed for the quantitative evaluation of emphysema severity based on the signal intensity of UTE lung images. Through this study, MRI, as well as CT, can represent the defect region for the ventilation defect region, and furthermore, the degree of the lesion and the ventilation function of the lungs can be evaluated such as ventilation map, ventilation flow map and histogram. The potential of methods was validated by ventilation map, ventilation flow map and ventilation histogram in emphysema patient.
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