胰腺囊实性乳头状上皮性肿瘤的CT、MRI诊断

目的 研究胰腺囊实性乳头状上皮性肿瘤CT、MRI表现，提高对该病的认识诊断水平。方法 3例经手术病理证实的胰腺囊实性乳头状上皮性肿瘤均经CT检查，其中1例还进行MR平扫和动态增强。回顾性分析其临床特征及CT、MRI表现。结果 3例患者均为年轻女性，无黄疸。CT均表现为胰头部巨大的囊实性肿块；其中1例肿块内可见钙化；1例伴有胰管轻度扩张。所有3例肝内外胆管均未见扩张。1例MR检查的病例胰头部肿块在T1WI、T2WI上呈混杂信号。增强后，CT、MRI上肿块囊壁及实性成分均明显强化。结论 胰腺囊实性乳头状上皮性肿瘤CT、MRI表现较具特征性，结合临床特征可在术前作出诊断。

CT and MRI diagnosis of solid-cystic papillary epithelial neoplasm of pancreas

Objective To investigate the CT and MRI findings of solid-cystic papillary epithelial neoplasm of pancreas, and to improve the diagnosis ability of the disease. Methods CT was performed in all 3 patients with solid-cystic papillary epithelial neoplasm of pancreas proved surgically and pathologically. Of all 3 patients, plain and dynamic enhanced MRI was performed in 1 patient. Both clinical characteristics and CT and MRI findings were analyzed retrospectively. Results All 3 patients were young female without jaundice and were found to have giant solid-cystic mass in the head of pancreas. In 1 of 3 patients, calcification was found in the mass on CT scan. One patient was found to have mild pancreatic duct dilation. No intrahepatic and extrahepatic bile duct dilation was showed in 3 patients. MRI findings in one patient demonstrated mixed signal intensity on T 1WI and T 2WI. On enhanced CT and MRI, the wall of cyst and solid portions of the mass showed obvious enhancement. Conclusion CT and MRI findings of solid-cystic papillary epithelial neoplasm of pancreas are characteristic, and the disease can be preoperatively diagnosed combined with the clinical feature.