肺炎性假瘤是非特异性慢性炎症,细胞聚集所致的肿瘤样炎性增生性病变。临床与影像学表现缺乏特异性,常易误诊为肿瘤。本文报道2005年2月以来资料完整的24例肺炎性假瘤,其重点探讨C T表现的特点。报告如下。 Pneumothorax pseudotumor is a non-specific chronic inflammation, cell-like tumor-like inflammatory proliferative lesions. Clinical and imaging performance of the lack of specificity, often misdiagnosed as cancer. This article reports 24 cases of pneumonic pseudotumor, which has complete data since February 2005, and focuses on the features of CT manifestations. The report is as follows.