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纵隔畸胎瘤的CT诊断
http://www.100md.com 《青岛大学医学院院报》 2006年第4期
纵隔肿瘤;畸胎瘤;体层摄影术,X线计算机,,],纵隔肿瘤;畸胎瘤;体层摄影术,X线计算机,1资料和方法,2结果,3讨论,[参考文献]
     [摘要]目的 探讨纵隔畸胎瘤CT征象的诊断价值与限度。方法 从手术后病理证实为纵隔畸胎瘤的85例病人中选择CT资料完整者63例,均经CT平扫和增强扫描。结果 基本CT均表现为孤立性前纵隔包块。其中囊性包块26例,均为成熟型,包括单房囊型13例,多房囊型7例,子-母囊型6例。囊实性包块29例,实性包块8例,均为不成熟型畸胎瘤。特殊CT征象包括:脂-液平面6例,脂密度子囊5例,水密度子囊3例。结论 前纵隔的囊性或囊实性包块内水样密度、脂质密度、软组织密度及不同形状的钙化并存或相互混杂或(和)包块内含有骨块、牙齿,显示脂-液平面、脂密度子囊、水密度子囊对本病有特异性诊断意义。

    [关键词] 纵隔肿瘤;畸胎瘤;体层摄影术,X线计算机

    CT DIAGNOSIS OF MEDIASTINAL TERATOMA

    YIN ZE-FU, JIANG GANG

    (Department of Radiology, The Affiliated Hospital of Qingdao University Medical College, Qingdao 266003, China)

    [ABSTRACT]ObjectiveTo assess the value and limitations of computed tomography (CT) signs in diagnosing mediastinal teratoma. MethodsThe complete CT data of 63 patients were selected from 85 postoperative patients with mediastinal teratoma confirmed pathologically. Plain and enhanced CT scans were performed for all these patients. ResultsThe basic CT manifesta-tions of the teratoma were as follows: 26 cases appeared as an isolated mature cystic mass of anterior mediastinum ......

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