Materials and Methods VHRCT scan covering one or several pulmonary ROI, MIP and MinIP reconstruction were performed in 112 patients with DLD. Pulmonary function tests were carried out in 46 patients within 3 weeks after VHRCT scanning.

• 材料与方法 对 112例DLD患者行肺部感兴趣区VHRCT扫描及MIP、MinIP重建 ,其中 46例同期进行肺功能检查。