胰头部实质性肿块是胰腺癌与局灶性炎症的相同形态。肿瘤标志物不能作为确诊的依据。超声、CT、MRI、经内镜逆行胰胆管造影（ERCP）等检查各具特点，是主要的影像检查手段，术中细胞学及病理学检查是定性诊断最确切的方法。对有胆道、十二指肠梗阻等手术指征的病人可在术中定性；仅有上腹部不适、影像检查发现胰头部肿物的病人，则需由外科医生综合分析影像检查所见进行抉择。

Qualitative diagnosis and surgical decision of pancreatic head parenchmatous mass GUO Ke-jian. Department of General Surgery,the First Affiliated Hospital of China Medical University, Shenyang 110001,China Abstract Pancreatic carcinoma and focal inflammation have same morphous which appears as pancreatic head parenchmatous mass. The diagnosis can not be made only according to be tumor markers, B-ultrasound,CT, MRI and ERCP are principle characteristic imaging examination, the operation simultaneous cytologic and pathologic examination are the most precise methods for qualitative diagnosis. Operation simultaneous qualitative diagnosis is suitable for the patiens with biliary tract and duodenal obstruction. Comprehend analyzing of imaging examination is proper to the patients complain of epigastric discomfort with pancreatic head mass by imaging examination, and the final decision is made by the surgeon.