Objective To consummate the creation of rabbit model bearing VX2 liver tumor ulteriorly, compare the imaging performance of CT, MRI and DSA in rabbit bearing VX2 liver tumor and evaluate the superiority of each imaging for demonstrating the tumors.

• 目的进一步完善兔VX2肝种植肿瘤模型的制作,比较种植肿瘤的CT、MRI及DSA影像表现,评价各影像检查对瘤体显示的优越性。