Comparative Analysis of B-mode Ultrasound and Operative Results in Forty-three Patients with Painless Obstructive Jaundice / 中华超声影像学杂志

Forty-three patients who had ultrasonic examinations and operative resuIts selected from105 cases of painless obstructive jaundice were analysed.The results showed that 29 patients(67.4%>had diseases of head of pancreas,biliary duct cancer and carcinoma around ampuila and others. 5 pacalculus of common bile duct had no obvious biliary colic.The mecharlism of painless calculus was investigated. It is suggested that the exploratory laparotomy should be done as early as possible when there is difficulty to diagnose the cause of painless obstrutive jaundice by imaging technique.