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胰腺囊腺癌是一种少见的胰腺恶性肿瘤约占１％。因病史较隐蔽，形态上容易和胰腺假性囊肿混淆，临床上常误诊。我们从１９８４年至１９９３年共收治７例胰腺囊性癌，其中４例粘液性囊腺癌和２例粘液性腺癌囊性变及１例管状腺癌伴囊性变。有２例粘液性囊腺瘤曾误当假性囊肿作囊肿内引流术，最后肿瘤恶变导致再次手术。另有１例以脾囊肿入院，胰腺囊腺癌的术前诊断较困难，对于胰腺的囊性病变要警惕此病。此外，强调粘液性囊腺瘤是癌前病变应和恶性肿瘤的治疗方法相同。
Pancreatic cystadenocarcinoma is a rare pancreatic malignancy about 1%. Because the medical history is more subtle, it is easy to be confused with pancreatic pseudocysts in morphology and often misdiagnosed clinically. From 1984 to 1993, we treated 7 cases of pancreatic cystic carcinoma, including 4 cases of mucinous cystadenocarcinoma, 2 cases of mucinous adenocarcinoma, and 1 case of tubular adenocarcinoma with cystic degeneration. Two cases of mucinous cystadenoma had been mistaken as pseudocysts for cyst drainage, and the final malignant tumors led to reoperation. In another case, a splenic cyst was admitted to the hospital, and the preoperative diagnosis of pancreatic cystadenocarcinoma was difficult. The cystic lesion of the pancreas should be alert to the disease. In addition, it is emphasized that mucinous cystadenoma is the same as precancerous lesions and malignant tumors.