Methods Seventy-seven patients were examined employing normal saline retention enema, in which the colon was filled with normal saline to make it as an acoustic window for extrahepatic bile duct, and then ultrasonic examination was performed to visualize
Methods Seventy-seven patients were examined employing normal saline retention enema, in which the colon was filled with normal saline to make it as an acoustic window for extrahepatic bile duct, and then ultrasonic examination was performed to visualize
方法对肝外梗阻性黄疽而常规超声检查未显示出梗阻病变的77例患者实施生理盐水保留灌肠使结肠充盈成为肝外胆管的透声窗，然后采用腹部超声诊断仪寻找其后方的胆管梗阻病变。