壶腹部肿瘤是指发生于十二指肠乳头内胆管、乳头内胰管、胆胰管壶腹,或十二指肠大乳头区域的肿瘤。大体形态上一般将壶腹部恶性肿瘤分为肿瘤型、混合型、溃疡型及息肉型4种形态。组织类型与胰腺外分泌肿瘤分型相同,可分为良性、交界性和恶性3种。良性肿瘤包括浆液性囊腺瘤、黏 Ampullary tumor refers to occur in the duodenal papilla, pancreatic duct, pancreatic duct ampulla, or large duodenal tumor area. The general morphology of the ampulla of malignant tumors are generally divided into tumor type, mixed type, ulcer type and polypoid type 4. Tissue types and pancreatic exocrine tumors the same type, can be divided into benign, borderline and malignant 3 kinds. Benign tumors include serous cystadenomas, sticky