摘要
目的 探讨原发性肺淋巴上皮癌(PPLEC)的CT表现及与病理相关性。方法 回顾性分析21例经手术病理证实为PPLEC患者的临床影像资料,所有患者术前均行胸部CT平扫及增强扫描,对中央型和周围型病灶的影像学特征进行比较,并对照病理分析。结果 中央型6例(28.6%),周围型15例(71.4%),平均直径(3.9±1.5)cm。14例(66.7%)呈圆形或类圆形,边界光滑10例(47.6%),7例(33.3%)呈分叶状(浅分叶5例,深分叶2例),毛刺征4例(19.0%),伴胸膜牵拉/凹陷3例(14.3%)。平扫8例(38.1%)肿瘤为均匀等密度,6例(28.6%)见斑片状低密度区,4例(19.0%)见钙化,3例(14.3%)见空泡或空洞形成;增强扫描肿瘤呈均匀或不均匀强化,16例(76.2%)出现渐进性强化,7例(33.3%)伴“血管包埋征”,2例(9.5%)见“支气管包埋征”。中央型与周围型肿瘤在形态特征、边缘光滑/毛刺、密度均匀及强化程度、胸腔积液、胸膜牵拉/凹陷、血管/支气管包埋、阻塞性肺炎方面差异无统计学意义(P>0.05)。结论 原发性肺淋巴上皮癌多排螺旋CT表现与病理成分密切相关,具有一定特征,对于该病的术前诊断能够提供重要的依据。
Objective To investigate the CT features of primary pulmonary lymphoepithelial carcinoma(PPLEC)and its correlation with pathologic change.Methods The clinical and imaging data of 21 patients with PPLEC confirmed by surgery and pathology were retrospectively analyzed.All patients underwent plain and enhanced CT scan before surgery.The imaging characteristics of central and peripheral lesions were compared and analyzed with pathology.Results There were 6 cases(28.6%)of central type and 15 cases(71.4%)of peripheral type.The average diameter was(3.9±1.5)cm.Forty cases(66.7%)were round or oval,10 cases(47.6%)were smooth,7 cases(33.3%)were lobulated(shallow lobulation in 5 cases,deep lobulation in 2 cases),4 cases(19.0%)were spiculated,and 3 cases(14.3%)were accompanied by pleural traction/indentation.On plain scan,7 cases(33.3%)showed homogeneous isodensity,6 cases(28.6%)showed patchy hypodensity,4 cases(19.0%)showed calcification,and 3 cases(14.3%)showed vacuole or cavity formation.On contrast-enhanced scans,the tumors showed homogeneous or heterogeneous enhancement,16 cases(76.2%)showed progressive enhancement,7 cases(33.3%)showed"vessel entrapment sign",and 2 cases(9.5%)showed"bronchial entrapment sign".There were no significant differences between the central and peripheral tumors in morphological features,smooth/spiculated edges,uniform density and enhancement degree,pleural effusion,pleural traction/indentation,vascular/bronchial embedding,and obstructive pneumonia(P>0.05).Conclusion MDCT findings of primary pulmonary lymphoepithelial carcinoma are closely related to the pathological structure,and have certain characteristics,which can provide an important basis for preoperative diagnosis of the disease.
作者
戴振火
黄雪乔
唐淑慧
王超柱
叶志雄
吴辉鸿
Dai Zhenhuo;Huang Xueqiao;Tang Shuhui;Wang Chaozhu;Ye Zhixiong;Wu Huihong(Department of Radiology,the Third Hospital of Zhangzhou,Fujian 363000,China;不详)
出处
《实用医学影像杂志》
2023年第6期430-434,共5页
Journal of Practical Medical Imaging
关键词
淋巴上皮癌
肺肿瘤
计算机体层摄影术
X线
病理学
Lymphoepithelial carcinoma
Lung neoplasms
Computed tomography,X-ray
Pathology
