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每当在声象图上发现肝内有强光团后方伴声影时,容易将肝内胆管结石与肝实质非特异性钙化点相混淆,为鉴别两种不同病变。连续观察P655例肝胆B超检查,发现19例肝內胆管结石和18例肝实质非特异性钙化点,根据声象图特征,拟出两者鉴别诊断标准,符合下列条件者诊断为肝内胆管结石:1.强光团伴声影;2.肝内胆管扩张;3.下列2项或2项以上:①总胆管内径超6mm;②多发性;③胆道气体征;④合并肝胆系统其他病变。如果仅有强光团伴声影,无后2条者为肝实质非特异性钙化。
Whenever the sonogram was found in the liver after a bright group with sound shadow, it is easy to intrahepatic bile duct stones and liver parenchymal calcification of non-specific confusion, in order to identify two different lesions. Continuous observation of P655 cases of hepatobiliary B-ultrasound and found that 19 cases of intrahepatic bile duct calculi and 18 cases of non-specific calcification of liver parenchyma, according to the characteristics of sonogram to develop the differential diagnosis of the two criteria meet the following conditions were diagnosed as intrahepatic bile duct stones : 1 glare group with sound shadow; 2 intrahepatic bile duct dilatation; 3 the following 2 or 2 or more: ① total bile duct diameter over 6mm; ② multiple; ③ biliary tract gas signs; ④ other liver and gallbladder lesions. If only the light group with sound shadow, no two were non-specific liver parenchymal calcification.