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小气道是肺部最小的可认识的区域之一,病理检查证实其发病率是显著的。高分辨力CT(HRCT)有较好的空间分辨力,目前被认为是评价小气道疾病最好的影像技术,对早期诊断、病变程度的评估较以往的检查方法更精确,对临床的诊断、疗效的评价可起到指导作用。
Small airways are one of the smallest identifiable areas of the lungs and pathological examination confirms that the incidence is significant. High resolution CT (HRCT) has better spatial resolution and is currently considered as the best imaging technique for evaluating small airway disease. The evaluation of early diagnosis and lesion degree is more accurate than previous methods. The clinical diagnosis, Efficacy evaluation can play a guiding role.