摘要
目的观察炎症型肺浸润性黏液腺癌(PIMA)的CT表现。方法回顾性分析经手术病理或穿刺活检证实的30例炎症型PIMA患者的临床、影像学(CT平扫+增强扫描)及病理学资料。结果30例CT均见肺内实变灶,其中5例为单纯实变,25例实变伴多种改变;肺内实变平扫CT密度均低于同层面肌肉,增强后多呈轻度强化;26例实变灶内见血管造影征,12例见肺叶膨隆征。30例中,首次CT诊断肺癌9例,21例误诊为感染性病变或其他病变。结论炎症型PIMA实变平扫CT密度低于同层面肌肉,增强后轻中度强化,可见血管造影征、肺叶膨隆征等;合并GGO、结节及囊状透亮影有助于鉴别诊断炎症型PIMA与炎症性病变及淋巴瘤。
Objective To observe CT features of pneumonic-type pulmonary invasive mucinous adenocarcinoma(PIMA).Methods Clinical,imaging(plain and multi-phase enhanced CT)and pathological data of 30 patients with pathologically confirmed pneumonic-type PIMA were retrospectively analyzed.Results Consolidation was found in all 30 cases,including 5 cases of pure consolidation and 25 cases of consolidation with multiple morphologies.The density of consolidation was lower than the same level muscles.Mild-to-moderate enhancement of consolidations were observed after administration of contrast media.CT angiogram sign and lobar distention sign were detected inside consolidations in 26 and 12 cases,respectively.Nine cases were diagnosed as lung cancer,while 21 cases were diagnosed as infection or other lesions with the first time CT examination.Conclusion The consolidation of pneumonic-type PIMA has some characteristics,including low density,mild-to-moderate enhancement,angiogram sign and lobar distention sign.Consolidation combined with ground glass density,nodules and cystic transparent shadow are helpful to differential diagnosis of pneumonic-type PIMA,infectious lesions and infectious diseases or lymphoma.
作者
雷永霞
李新春
包盈莹
胡剑锋
赖婷
李广秋
LEI Yongxia;LI Xinchun;BAO Yingying;HU Jianfeng;LAI Ting;LI Guangqiu(Department of Radiology,the First Affiliated Hospital,Guangzhou Medical College,Guangzhou 510120,China;Department of Pathology,the First Affiliated Hospital,Guangzhou Medical College,Guangzhou 510120,China)
出处
《中国医学影像技术》
CSCD
北大核心
2020年第7期1027-1030,共4页
Chinese Journal of Medical Imaging Technology
关键词
肺肿瘤
腺癌
黏液
体层摄影术
X线计算机
lung neoplasms
adenocarcinoma,mucinous
tomography,X-ray computed
