胰腺癌发病率逐年上升,据2009年美国癌症学会报道,胰腺癌的致死率居所有恶性肿瘤的第四位,消化道肿瘤的第二位〔1〕。本病以中老年人为发病的高峰期人群〔2〕。由于解剖学上胰腺位置较深的特点,再加上恶性程度较高,起病隐匿和早期转移等特点,常规手术切除并不能起到良好的治愈效果,5年内生存率仅为5%〔3〕,所以对胰腺癌的早期诊断,及早治疗就 The incidence of pancreatic cancer increased year by year, according to the 2009 American Cancer Society reported that the lethality of pancreatic cancer ranks fourth in all malignant tumors, digestive tract tumors in the second 〔1〕. The disease in the elderly as the peak incidence of the crowd 〔2〕. Due to the anatomical characteristics of the deep pancreas, coupled with the higher degree of malignancy, occult onset and early metastasis and other characteristics, conventional surgical resection and can not play a good healing effect, 5-year survival rate was only 5% 〔3 〕, So the early diagnosis of pancreatic cancer, early treatment on it