【摘要】 目的分析胰腺实性假乳头状瘤(SPTP)的CT征象,提高CT的诊断水平。方法搜集经分析经手术、病理证实的9例SPTP,结合病理表现,对其CT三期增强表现作回顾性分析。结果 9例SPTP均为单发。5例位于胰尾,3例位于胰头,1例于胰颈。7例为类圆形,2例为浅分叶状。8例均有完整包膜,1例未见包膜。9例中有8例最大径>4cm,为囊实性,1例最大径<4cm,为实性病变。增强后所有病变实性部分自周边不均匀强化,并渐进性向中央延迟强化。2例见点条状钙化,5例伴有出血。所有病例均未见胆管或胰管扩张。结论 SPTP的CT表现有一定的特征,有助于诊断与鉴别诊断。更多还原

【Abstract】 Objective To demonstrate the CT features of solid pseudopapillary tumor of the pancreas(SPTP),and to improve its CT diagnosis.Methods Nine patients with SPTP proved pathologically underwent three-phase enhanced CT,and the CT findings were retrospectivel analyzed combined with pathological findings.Results SPTP manifested as solitary.Five cases had lesions located in pancreatic tail,three cases had lesions located in pancreatic head,and one case had lesions located in pancreatic neck.The shape of SPTP was oval in seven patients,shallow lobulation in two patients.Complete capsule was observed in eight patients,no capsule was found in one patient.Of nine cases,the maximal diameter of SPTP was beyond 4 cm in eight heterogeneous cases,the maximal diameter was less than 4 cm in one solid patients.After contrast administration,the lesions demonstrated peripheral heterogeneous enhancement in arterial phase with progressing filling-in during the later phases.Spotty or streaky calcification were observed in two cases.Hemorrhage was seen in five cases.Neither dilatation of biliary tract nor pancreatic ducts were found.Conclusion The CT features of SPTP are specific,which are valuable in detecting and differentiating this disease.更多还原