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[目的]分析薄壁空腔型肺癌患者在临床随访过程中的多层CT影像特点.[方法]回顾性分析2012年1月以来于本院经肺穿刺术或手术后病理证实的9例空腔型肺癌患者的临床资料,其中男6例,女3例,年龄53～77(63±7.3)岁,分析以上9例空腔型肺癌在临床随访过程中的多次CT影像.[结果]首次CT检查时,9例空腔型肺癌的病灶最大径为18～40(29.2±6.08)mm,壁厚1.5～4.5(2.9±0.96)mm.9例癌灶均可见壁结节,壁结节直径大小平均为1.59～24.2(11.4±6.75)mm.9例空腔型肺癌的典型CT影像特点包括:病灶轮廓不规则6例(66.7％);病灶边缘出现毛刺4例(44.4％)、胸膜线征4例(44.4％);腔内壁结节9例(100％)、腔内分隔5例(55.6％).4例空腔型肺癌在临床随访过程中发现病灶和壁结节渐进性增大、壁不规则增厚.[结论]空腔型肺癌以轮廓不规则的薄壁空腔伴有壁结节或(和)腔内条状分隔为影像特点,空腔型肺癌临床随访过程中表现为空腔壁渐进性增厚、壁结节增大.“,”[Objective] To analyze the features of multi-slice CT images in patients with thin-wall cavity lung cancer during clinical follow-up.[Methods]Nine patients(male/female,6/3 ;age range,53～77 years)who were confirmed as thin-wall-cavity typed lung cancer by post-operative pathology were collected into this study.Their CT images in the course of clinical follow-up were reviewed retrospectively.[Results]At first CT examination,the maximum diameter of lesions in 9 cases of cavity type lung cancer was 1.5～4.5(2.9 ± 0.96)mm,and the wall thickness was 1.5～4.5(2.9 ± 0.96)mm.Mural nodules were found in 9 cases,and the mean diameter of the mural nodules was 1.59 ± 24.2mm(11.4 ± 6.75)mm.Typical CT features of 9 cases of cavity lung cancer include :there were 6 cases with irregular contour(66.7％),4 cases with burr on the edge of the lesion(44.4％),4 cases with pleural line sign(44.4％),9 cases with luminal wall nodule(100％),5 cases with intraluminal septum(55.6％).In 4 cases of cavity lung cancer,lesions and wall nodules gradually in-creased and irregular thickening was found during clinical follow-up.[Conclusion] Cavity type lung cancer is characterized by irregular thin-walled cavity with wall nodule or/and intraluminal stripe separation.The clini-cal follow-up of cavity type lung cancer showed progressive thickening of cavity wall and enlargement of wall nodule.