恶性胸腺瘤的CT诊断  

CT Diagnosis of Malignant Thymoma

作　　者：蒋小冬[1] 夏淦林[1] 冯峰[1] 

机构地区：[1]南通市肿瘤医院影像科,江苏南通226361

出　　处：《肿瘤基础与临床》2010年第1期71-73,共3页journal of basic and clinical oncology

摘　　要：目的探讨CT表现对恶性胸腺瘤的诊断价值。方法回顾性分析20例恶性胸腺瘤的病理资料及CT表现。结果20例恶性胸腺瘤中,B1型5例,B2型2例,B3型3例,C型10例。心脏大血管受侵17例,主要表现为肿块的心脏大血管接触面(MCI)呈灌铸型生长;纵隔胸膜与肺受侵18例,主要表现为肿块的肺接触面(MPI)增厚呈尖角或锯齿征。C型比B型更具侵袭性,且转移多见。结论恶性胸腺瘤的CT表现具有特征性,有助于其确诊。Objective To explore the value of CT in the diagnosis of malignant thymoma.Methods The pathological datas and CT features of 20 patients with malignant thymoma were analyzed retrospectively.Results 20 patients with malignant thymoma were classified,5 patients were type B1,2 patients were type B2,3 patients were type B3,10 patients were type C.Heart and great vessels invasion was observed in 17 cases,and showed mass-cardiovascular interface（MCI） with freezing sign;mediastinal pleura-pulmonary invasion were observed in 18 cases,and showed mass-pulmonary interface（MPI） with irregular and sharp shape.The invasiveness and distant metastasis of type C is more than that of type B.Conclusion The CT findings of malignant thymoma are characteristic,it is helpful to final diagnosis.

关 键 词：恶性胸腺瘤 X线计算机 组织病理学 

分 类 号：R736.3[医药卫生—肿瘤]