患者男，４０岁。因上腹部不适来院就诊。查体未见异常体征，实验室常规检查均正常。超声检查：肝脏大小、形态均正常，实质回声光点均匀，门静脉主干及其左支结构未见异常，左支内径略显增宽，而右支仅显示为一条索状强回声，其管腔结构基本消失（图１），且其两个分支即... Male patient, 40 years old. Due to upper abdominal discomfort to the hospital. Physical examination showed no abnormal signs, routine laboratory tests were normal. Ultrasonography: liver size, shape were normal, the echogenic spot of the real echo, portal vein and left branch of the structure was no exception, the left branch slightly larger diameter, while the right branch showed only a cord-like echo, the tube Cavity structure disappeared (Figure 1), and its two branches that is ...