[摘要] 目的 研究观察肺内良性病变的胸膜凹陷的CT表现特征。方法 收集26例由手术、病理和临床证实并表现有胸膜凹陷征象的肺部良性病变，回顾性分析其CT影像资料。结果 肺内良性病变主要是炎性结节9例，慢性炎症6例，结核球5例，炎性假瘤3例，肺脓肿2例，肺曲菌球1例。良性胸膜凹陷的主要CT表现：胸膜棘状粘连牵拉，胸膜宽基底性内凹，相邻胸膜增厚和胸腔积液。结论 肺内良性病变所显示的胸膜凹陷具有一定的CT特征表现和临床意义。

    [关键词] 肺；病变；胸膜凹陷；断层摄影术，X线计算机

    CT diagnosis of benign pleural indentation

    ZHANG Kai-hua，ZHANG Zhi-yong，TANG Jian-hua,et al.Department of Radiology,The Branch of Zhongshan Hospital,Fudan University,Shanghai 200052，China

    [Abstract] Objective To investigate the characteristic CT findings of pleural indentation due to benign pulmonary lesions.Methods Twenty-six cases of pleural indentations due to benign pulmonary lesions confirmed by surgery,biopsy and clinic were analyzed retrospectively.Results The main benign pulmonary lesions accompanied with pleural indentation were inflammatory nodule(n=9),chronic pneumonia(n=6),tuberculosis(n=5),inflammatory pseudo-tumor(n=3),abscess(n=2) ......