【摘要】 目的 探讨胰腺内副脾伴表皮样囊肿(ECIPAS)的影像学特点和误诊原因。方法 回顾分析6例经病理证实ECIPAS患者的影像及临床资料。3例行CT检查，2例行MRI检查，1例行CT和MRI检查，分析ECIPAS囊壁的影像学特点。结果 所有病灶位于胰腺尾部，平均直径3.3 cm。1例规则厚壁病灶，1例不规则厚壁病灶，4例薄壁病灶。规则厚壁病灶可观察到与脾脏一致的影像学特点；不规则厚壁病灶，表现出与脾脏部分相似的影像学特点；薄壁病灶无脾脏影像学特点。结论 ECIPAS的误诊原因是囊壁表现多样以及医师对其认识不足。当病灶囊壁表现典型的脾脏组织影像学特点时，应首先考虑ECIPAS;当囊壁表现不典型时也应将ECIPAS纳入鉴别诊断。更多还原

【Abstract】 Objective To investigate the imaging characteristics of epidermiod cyst in intrapancreatic accessory spleen(ECIPAS) and the causes of misdiagnosis.Methods Clinical manifestations and imaging data of 6 patients with pathologically confirmed ECIPAS were analyzed retrospectively.3 cases underwent CT scan, 2 cases underwent MRI scan, and 1 case received both CT and MRI examination.The imaging features of the lesions were analyzed.Results All lesions were located in the pancreatic tail, with the mean diameter of 3.3 cm.1 case was the regular thick-walled lesion, 1 case was the irregular thick-walled lesion, and 4 cases were the thin-walled lesions.The homogeneity with spleen was recognized in the regular thick-walled lesion. Irregular thick-walled lesion showed partially homogeneous features to the spleen.Thin-walled lesions presented no splenic imaging features.Conclusion The causes of misdiagnosis of ECIPAS are the diversity and the lack of understanding of physicians.ECIPAS should be considered in the first place when the cystic wall showed typical imaging characteristics of spleen tissue.ECIPAS should also be included in the differential diagnosis when the cystic wall showed atypical imaging features of splenic tissue.更多还原