内科放射诊断肝胆胰医学ppt

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1、肝胆胰放射诊断肝胆胰位置相邻，关系密切，彼此影响肝-胆汁胆管胰管胰腺-胰液胆胰共同管（Vater’s壶腹）胆胰管十二指肠连接区http://www.ljfk120.net/byby/lcxby/http://www.ljfk120.net/byby/myxby/http://www.ljfk120.net/byby/slgby/http://www.ljfk120.net/fkjb/bdyc/http://www.ljfk120.net/fkjb/fkjc/http://www.ljfk120.n

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6、表现肿瘤原发性肝癌（primarylivercarcinoma）海绵状血管瘤（cavernoushemangioma）肝转移性肿瘤肝囊肿肝脓肿（abscess）原发性肝癌肿瘤血管：供血动脉增粗，瘤区血管粗细不均，不规则血管或血湖动脉拉直、移位和僵直毛细血管期：肿瘤染色，高密度肝实质期：充盈缺损动-门静脉瘘致门静脉分支早期显影肝海绵状血管瘤动脉造影早期显示“血湖”，爆米花状或结节状，可持续数十秒与肝癌的鉴别诊断血管瘤显影早、排空迟，持续时间长于肝癌；血管瘤爆米花样血湖，肝癌肿瘤血管形态不规则、粗细不

7、均、僵直包绕，常有小的动-门静脉瘘；肝癌的动脉常有受侵、僵直，供血动脉扩张等。肝转移性肿瘤多血管性转移瘤：绒毛膜上皮癌、肾癌等，表现为多数染色结节，常呈环形少血管性转移瘤：肺癌、胰腺癌等，动脉期不明显，实质期为多个充盈缺损http://www.ljnk120.net/about/yyjj/http://www.ljnk120.net/about/zjtd/http://www.ljnk120.net/about/ysft/http://www.ljnk120.net/about/zlsb/http

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