肺内错构瘤14例CT诊断分析

CT analysis of pulmonary hamartoma on 14 cases

目的探寻肺内错构瘤的CT征象特点,加深对其的认识,以便与肺癌、结核瘤以及肺内炎性假瘤等球形病灶相鉴别。方法搜集14例经手术病理证实的肺错构瘤CT资料进行回顾性分析。结果肺错构瘤的主要CT表现:(1)中年发病,单发圆形、类圆形结节,多发生于肺实质内,直径一般小于3 cm;(2)边缘锐利清楚,多无毛刺分叶,周边肺组织正常;(3)典型错构瘤内密度不均,含有低密度的脂肪和高密度的钙化影;(4)非典型错构瘤内不含脂肪和钙化影时,常表现为均匀密度影,需结合其影像特征及临床与其他球形病灶相鉴别。结论 CT检查对肺内错构瘤的正确诊断和鉴别诊断是很有帮助的。

Objective To study the CT features of pulmonary harmatoma and Enhance its understanding, so as to distinguish from spherical lesion of lung cancer,tubcrculnma and pulmonary inflammatory pseudotumor. Methods We investigated retrospectively the data of the 14 cases with pulmonary harmatoma with proved pathologically after surgery. Results The main CT findings were as follow ： （ 1 ） Mostly occurs in middle - aged in round or oval single nodules, which mostly occurred in the lung , usually less than 3 cm; （2） The edge of lesion was sharp and clear, didn＇t have sentus and sublobe with normal lung tissue surrounding ; （3） Typical pulmonary harmatoma with low - density fat and high - density calcification ; （4） When it was atypical pulmonary harmatoma ,it without fat or calcification. Which often performance as uniform density image. To identify it should combined its imaging features and clinical with other nodules. Conclusion CT examination is very helpful to the correct diagnosis of pulmonary harmatoma.