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为提高胰腺癌的切除率，应争取在上皮内癌阶段即肿瘤形成前期作出诊断。用B超和CT扫描难以诊断出上皮内癌，将胰管扩张和胰腺小囊肿的病人设定为胰腺癌高危人群，近期开发出各种先进的内镜、超声、磁共振的高选择性影像学检查新技术，并开展了分子生物学分析和胰液细胞学检查，使胰腺原位癌的诊断成为现实。
In order to increase the resection rate of pancreatic cancer, a diagnosis should be made at the stage of intraepithelial carcinoma, that is, the early stage of tumor formation. It is difficult to diagnose intraepithelial neoplasia with B-ultrasonography and CT scans. Patients with pancreatic duct dilatation and pancreatic cysts are at high risk for pancreatic cancer. Various advanced endoscopic, ultrasonographic, and magnetic resonance imaging techniques have recently been developed. Learning to examine new techniques, and conducting molecular biology analysis and cytology of pancreatic fluids, make the diagnosis of pancreatic carcinoma in situ become a reality.