胰腺实性假乳头状瘤的CT诊断

目的探讨胰腺实性假乳头状瘤（solid pseudopapillary tumor of pancreas，SPTP）的CT表现。方法回顾性分析经手术病理证实的11例SPrrP的临床及CT影像学资料。结果11例均为单发的囊实性肿块，4例位于胰头部，4例位于胰体部，3例位于胰尾部，增强后动脉期实性部分轻至中度强化，门静脉期及延迟期持续强化。9例包膜完整，4例伴出血钙化，1例伴胆总管扩张。结论SPTP的CT表现有一定的特征性，有较高的临床诊断价值。

CT diagnosis of solid pseudopapillary tumor of pancreas

Objective To evaluate the CT fingdings solid pseudopapillary tumor of pancreas(SPTP).Methods 11 cases of SPTP proved by pathology were analyzed retrospectively.Results SPTP manifested as a solitary mass composed of solid and polycystic parts,4 lesions located in the head of pancreas,4 in the body of pancreas,3 in the tail of pancreas.In contrast-enhenced phase images,the solid parts showed mild to moderate enhencement in arterial phase,and continued to strengthen at portal vein and delayed phase.Complete capsule was showed in 9 cases,hemorrhage and calcification was showed in 4 cases,the dilation of the common bile duct was found in 1 case.Conclusion SPTP has certain characteristic CT imaging manifestations,which has high diagnostic value for clinic.