摘要
本文对手术和/或病理证实的肺内孤立病灶201例的CT 扫描片及部分胸膜凹陷的病理切片进行分析。其中肺癌145例中鳞癌76例、腺癌60例、肺泡细胞癌7例、未分化癌2例,胸膜凹陷出现的例数分别是12、17、6及0.良性病变56例中结核12例、炎性假瘤5例、其它36例。胸膜凹陷出现的例数分别为6、1、0.其出现率在良恶性之间无显著差异.在各类型肺癌中有显著差异,可作为鉴别不同类型肺癌的参考.胸膜凹陷的CT 表现为胸膜面喇叭口的尖端有线形影与病灶相连,此线影恰与病灶棘状突起相连者提示有肺癌可能.大喇叭口内为水样密度.有的线影只见于肺窗,有的双窗显示;前者几乎只见于肺癌,后者良恶性都可出现。胸膜凹陷的形成为肺癌内有大量(?)痕纤维组织收缩,肿瘤阻塞亚肺段支气管及有关粘连等。
The CT features and the pathological sec-tions of pleural indentation which was found in201 cases of operation-proved or pathological-ly-confirmed solitary pulmonary nodules wereanalyzed.145 cases out of the 201 cases ofsolitary pulmoanry nodules were malignantconsisting of 76 cases of squamous carcinoma,60 adenocarcinoma,7 alveolar cell carcinomaand 2 undifferentiated carcinoma.Pieural in-dentation sign was seen in 12 cases of squa-mous carcinoma,17 adenocarcinoma,and 6alveolar cell carcinoma.56 cases out of the 201were benign in nature,which consisted of 12cases of tuberculous nodules,5 inflammatorypseudo-tumor and 36 others.Pleural indenta-tion exis-ted in 6 cases of tuberculous lesionsand 1 inflammatory pseudotumor.The inci-dence of pleural indentation sign showed nomarked difference between benign and malig-nant lesions,but had significant difference a-mong different kinds of lung carcinomas.Soplcural indentation sign is of importance in thedifferential diagnosis of various lung carcino-mas.The CT features of pleural indentationsign were as follows:There was a trumpet-shaped opening toward the pleural surface.Alinear shadow connected the tip of the trumpetshadow and the nodular lesion.If the linearshadow was seen to connect the spine process ofthe nodule at mediastinal window set,malig-nant nature of the nodule was highly suggested.Water density was seen inside the trumpet-shaped opening.Linear shadows might be visi-ble at lung window set only or at both lung andmediastinal window sets.Iinear shadows whichwere only visible at lung window set almost al-ways indicated the maligna(?)atuure of the le-sions.Pleural indentation was formed with thecontraction of large amounts of scars and fi-brotic tissue,obstruction of subsegmental bron-chioles by the carcinoma,and massive adhe- sion.
出处
《临床放射学杂志》
CSCD
北大核心
1992年第4期175-177,T025,共4页
Journal of Clinical Radiology
