胆结石B超诊断与手术对照分析

Evaluation of B—mode Ultrasonography in the Diagnosis of Choleithiasis

报告B超诊断胆结石400例,均为手术已确诊的患者。B超诊断:胆囊结石准确率为97.4％;胆总管结石为78.5％;右肝内胆管结石为92％;左肝内胆管结石为92.3％。

Four hundyed cases of cholelithiasis diagnosed by B--mode ultrasonography and confirmed by surgery have been reported. The accacy tate of ultrasonographic diagnosis was 97.4% for gallblad- der stone, 78.5% for common bile dvone, 92% for calculi of the biuary d the light hepa lobe and 92.3% for that in the left lobe. Sall light dots of sandy calculi couid be seen crly gathering toward the anteror wall of the. galibr,espectaily by aresing the detector while the pa- tient was in chest--knee position. In 2 patients,when the lower common ile doer was pressed, the light masses disappeared suddenly and the dilated common bile duct became narrowed,suggesting the gall stones had passed into the duodenum then.