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对经病理证实的１００例肝内占位病变碘油肝动脉造影资料进行分析，结果显示碘油不仅能积聚在多血管恶性肿病中，也能积聚在多血管良性肿瘤内，其影像无差别，但碘油在病灶内滞留时间则明显不同，在恶性肿瘤内碘油能长时间滞留（１月以上），而良性肿瘤，除血管瘤外，碘油在３周内消散。利用碘油滞留时间不同这一特性，可对肝脏多血管良、恶性肿瘤进行鉴别诊断。
The pathological confirmed 100 cases of intrahepatic iodized oil lesions of hepatic artery angiography data analysis showed that lipiodol can not only accumulate in multiple malignant neoplasms, but also can accumulate in benign multi-vessel tumors, the image no difference , But the retention time of lipiodol in the lesion was significantly different, lipiodol in malignant tumor can stay for a long time (January), and benign tumors, in addition to hemangioma, lipiodol dissipated within 3 weeks. The use of different characteristics of the residence time of iodized oil, liver multi-vessel differential diagnosis of benign and malignant tumors.