肺部炎性假瘤的影像学诊断

The Imaging Diagnosis of Inflammatory Pseudotumor of Lung

目的:探讨肺炎性假瘤的影像诊断征象和鉴别诊断。材料与方法:回顾性分析19例经手术病理证实的肺炎性假瘤的影像表现。结果:①病灶部位:病变位于右上叶3例,右中叶6例,右下叶2例;左上叶5例,左下叶3例。②X线表现:肿物为园形或类园形阴影,边缘整齐10例,边缘不整齐9例。其中有“毛刺”4例,有条索状阴影呈尾巴征2例,呈分叶状5例,空洞3例,有钙化灶2例。③CT表现:所有病变均表现为圆形或类圆形、直径2.5cm^7cm,其中2.5cm^3cm 7例,3cm^7cm 12例;13例密度不均匀,其中4例病灶内可见不规则空洞,6例增强扫描表现为周边密度较高,中央密度较低,低密度区CT值15Hu^33Hu等,其余5例密度均匀;病变边界清楚15例,模糊4例。结论:全面分析X线和CT征象能提高肺炎性假瘤的正确诊断率。

Purpose： To study the diagnosis of inflammatory pseudotunor of the lung by X ray and CT. Materials and Methods： The patients with inflammatory pseudotumor （n = 19） were reviewed in this study. Results： ①The location of inflammatory pseudotumor： R. U. L. 3 eases, R. M. L. 6 cases, R. L. L. 2 cases, L. U. L. 5 eases, L. L. L3 eases. ②The signs of X ray： The shapes of inflammatory pseudottun were round or oval. The edges of inflammatiory pseudottanor were clear （n = 10） or hazy （n= 9）. Other signs were including shout sentus （n=4）. long sentus （n= 2）, lobulated （n= 5）, eavitates （n= 3）, ealeifieati6n （n= 2）.③The signs of CT： The shapes of inflammatory pseudotumor were round or oval. The diameter of focuses were from 2.5cm to 7 cm. Other signs were including linhomogeneous density （n= 13）, uniform density （n=5）, clear edges （n= 15）, hazy edges （n=4）. Condusion： The inflammatory pseudottunor of the lung could be wel diagnosed according to the signs of X ray and CT.