Results: Ultrasonographic manifestations of cholecystoduodenal fistula were gas inside the bile duct and gallladder; indistinction of the wall of gallbudder, gallstone disappeared and small intestinal obstruction.

• 结果：7例胆囊、二指肠瘘的超声检查表现：胆管和胆囊内积气；胆囊结构消失和原有胆囊内结石消失；小肠梗阻。