The study demon- strated that,97 percent (32/33) of the angiographic sign of the lesion staining in sequence from interior to exterior occurred in malignant tumors,in which HCC occupied 93.8 percent (30/32).

• 本组材料显示:呈自内向外顺序染色者97%25(32/33)见于恶性肿瘤；其中肝细胞癌占93.；8%25(30/32)；8例直径小于3cm 的无肿瘤血管征象的小肝癌均呈自内向外顺序染色;