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。
Objective: To evaluate the clinical significance of needle aspiration biopsy in the operation for carcinoma of head of pancreas.
目的：评价术中穿刺活检在胰头癌定性诊断中的作用。
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。
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