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目的：分析局灶性肿块形肺炎的ＣＴ特点，以便与周围型肺癌鉴别。方法：回顾性分析１２例肿块形肺炎的ＣＴ与Ｘ线检查资料。结果：１２例肿块形肺炎的主要ＣＴ表现为：①病灶全周模糊（除胸膜限制处光滑外），或有多数较柔软的毛刺均匀地分布于灶周；②肿块周围有小薄片影而无引向胸膜的线条影；③伴分叶、肺门淋巴结肿大不能完全除外肺炎，均须正规抗炎治疗３周～４周。结论：仔细分析病灶与肺交界面的ＣＴ表现，对局灶性肿块形肺炎的诊断和鉴别诊断很有意义
Objective: To analyze the CT features of focal lump pneumonia in order to differentiate it from peripheral lung cancer. Methods: CT and X-ray examination data of 12 cases of massive pneumonia were retrospectively analyzed. Results: The main manifestations of CT in 12 patients with tuberous pneumonia were as follows: ① The whole week was faint (except for the pleural confinement), or the most soft burr was evenly distributed in the foci; ② There was a small lamellar shadow around the lump Leading to the pleural line shadow; ③ with lobulation, hilar lymph nodes can not be completely excluded except pneumonia, should be formal anti-inflammatory treatment of 3 weeks to 4 weeks. Conclusions: Careful analysis of the CT findings at the lesion-lung interface is of great significance in the diagnosis and differential diagnosis of focal lump pneumonia