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IgG4相关性自身免疫性胰腺炎的影像学表现 被引量:1

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摘要 目的分析IgG4相关性自身免疫性胰腺炎(AIP)的CT及MRI影像学表现,提高对该病的诊断及鉴别诊断能力。方法回顾性分析中国科学技术大学附属第一医院2015年9月至2019年12月收治的14例IgG4相关性AIP患者的临床资料,所有患者均行胰腺增强CT检查,10例患者另行MR检查,观察病变影像学表现。结果IgG4相关性AIP常见的影像学征象有胰腺外形的弥漫型(6/14)或局限型肿大(8/14)、局限型肿大病例以胰腺头部分布为主(6/8)、CT呈等或稍低密度,MR-T2 WI呈等或稍高信号以及DWI扩散受限表现,动态增强扫描胰腺整体或局部实质呈均匀延迟强化(14/14)、胰周包膜征(3/14)以及胰腺外胆管受累征象(9/14),其中,1例患者合并胰腺周围渗出。结论IgG4相关性AIP是IgG4相关性全身多系统受累的自身免疫性疾病的胰腺表现,临床相对少见,具有典型影像学表现者容易诊断。
作者 袁蕾 刘影
出处 《安徽医学》 2020年第7期842-845,共4页 Anhui Medical Journal
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