患者男,14岁。上腹部疼痛3年,加重7d入院。行超声检查示:肝脏包膜光滑,大小形态正常,内部回声均匀,肝内胆管无明显扩张,胆总管内径0.9cm,壁欠光滑、稍增厚,全程增宽,下段内可见点片状强回声堆积,范围约1.5cm×0.6cm,后伴浅声影(图1);胆囊体积明显增大,大小约 Patient male, 14 years old. Upper abdominal pain for 3 years, increased 7d admission. Ultrasonography showed: the liver capsule smooth, normal size and shape, the internal echo uniform, no significant expansion of the intrahepatic bile duct, common bile duct diameter 0.9cm, wall less smooth, slightly thicker, full widening, can be seen in the lower section flake Echo accumulation, the range of about 1.5cm × 0.6cm, followed by shallow sound (Figure 1); gallbladder volume increased significantly, the size of about