Conclusion: Combining with clinical symptoms, expert operating and rich experience may improve the diagnostic rate of ultrasonography in carcinoma of head of pancreas.
结论：紧密结合临床、熟练操作技法和丰富经验是提高胰头癌超声诊断准确率的有效途径。
Conclusion it's hard to differentiate the chronic pancreatitis with mass in the head from the carcinoma of head of pancreas before operation.
结论肿块型慢性胰腺炎与胰头癌的术前鉴别存在一定困难。
Objective: To evaluate the ultrasonic diagnosis of carcinoma of head of pancreas and analyze its clinical data.
目的：评价胰头癌的超声诊断并进行临床分析。
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