Lobulation, long and stiff spiculation and sawtooth interface were imaging characteristic in their margin.

病灶边缘以分叶征、星芒状毛刺、界面锯齿征为主要特征；

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CT value was less than 50HU. Edge:the edge was more clear and irregular lobulation in 14 cases(67%) and round or class round in 7 cases(33%) with unclear boundaries.

边缘：呈不规则分叶状14例（67%），边缘较清楚，类圆形或圆形7例（33%），与正常肝实质分界不清；

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CT value was less than 50HU. Edge:the edge was more clear and irregular lobulation in 14 cases(67%) and round or class round in 7 cases(33%) with unclear boundaries.

边缘：呈不规则分叶状14例（67%），边缘较清楚，类圆形或圆形7例（33%），与正常肝实质分界不清；

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