例1,男,48岁。右上腹胀痛进行性加重四月余,发现右肋缘下包块一月而入院。查体:上腹部膨隆,右肋缘下可扪及160mm×100mm大小的半圆形包块,质地适中、表面光滑、压痛明显。B超检查:右肾上极可探及约250mm×209mm×126mm大小的异常回声区,边界清,形态不规则,内部回声不均匀,周围为不均匀的强回声区,中央可见片状的无回声区被强回声分隔(图1)。其病变向外生长,将肝脏挤向左季肋 Example 1, male, 48 years old. Right upper quadrant pain progressive aggravating more than April, found that the right costal inguinal mass in January and admitted to hospital. Physical examination: bulging upper abdomen, palpable right rib margin and 160mm × 100mm size semicircular mass, medium texture, smooth surface, tenderness significantly. B-ultrasound: the right kidney can be explored and about 250mm × 209mm × 126mm size of the abnormal echo area, the boundary clear, irregular shape, the internal echo is not uniform, surrounded by a non-uniform areas of strong echo, the central visible flaky Echogenic zone is strongly echo separated (Figure 1). The disease grows outward, squeezing the liver toward the left quarter rib