慢性阻塞性肺疾病(COPD)是一种以气流受限为特征的可预防和可治疗的疾病,主要累及肺脏,病死率高,临床上发现COPD属于异质性疾病,从结构到功能均可呈多相性,具有不同的临床表型。为了更好地评估COPD的严重度、指导个体化治疗和判断预后,最近几年,对COPD临床表型的研究日益增多。高分辨率CT(HRCT)作为研究COPD表型的新型工具,其价值得到众多研究者赏识。

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