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解剖基础：肾周间隙，由前方的肾前筋膜（Gerota筋膜）、后方的肾后筋膜(Zuckerkandl筋膜)及外侧缘的侧锥筋膜包绕构成
沟通：向上↑固定于膈下筋膜；向下↓汇入髂筋膜。右侧肾周间隙向上与肝裸区相沟通，左侧肾周间隙向上与膈下间隙相通；双侧肾周间隙跨过中线，相互沟通；双侧肾周间隙向下与盆腔腹膜后间隙相沟通
内部构成：由纤细的纤维板和桥隔分隔成不同腔室，其内包含的肾脏、肾上腺、近端输尿管、肾周脂肪、淋巴管、血管
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总结：
①熟悉肾周解剖为定位、定源的基础
②了解肾周疾病谱
③分析病变成分、影像特征，缩小鉴别诊断范围
④结合病史，避免诊断误区
参考文献
① Craig W D , Fanburg-Smith J C , Henry L R , et al. Fat-containing Lesionsof the Retroperitoneum: Radiologic-Pathologic Correlation1[J]. RadioGraphics, 2009,29(1):261-290.②PuryskoA S , Westphalen A C , Remer EM , et al. Imaging Manifestations of Hematologic Diseases with Renal andPerinephric Involvement[J]. RadioGraphics, 2016:150213.③ShethS , Ali S , Fishman E . Imaging of Renal Lymphoma:Patterns of Disease with Pathologic Correlation1[J]. RadioGraphics, 2006,26(4):1151-1168.④ZaveriJ , La Q , Yarmish G , et al.More than Just Langerhans Cell Histiocytosis: A RadiologicReview of Histiocytic Disorders[J]. RadioGraphics, 2014,34(7):2008-2024.⑤SurabhiV R , Menias C , Prasad SR , et al. Neoplastic and Non-neoplastic Proliferative Disorders of the Perirenal Space:Cross-sectional Imaging Findings1[J]. Radiographics, 2008,28(4):1005-1017.![]()
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