膈肌脚及膈脚后间隙(english).ppt
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1、The Diaphragmatic Crura and Retrocrural SpaceNormal Imaging Appearance, Variants, and Pathologic Conditions,Guo Xiaochao 2010.7.22,RadioGraphics 2008;28:1289-1305,The retrocrural space (RCS) is a small triangular region within the most inferior posterior mediastinum bordered by the two diaphragmatic
2、 crura. Multiplanar imaging modalities allow evaluation of the RCS as part of routine examinations. Normal structures within the retrocrural region include the aorta, nerves, the azygos and hemiazygos veins, the cisterna chyli with the thoracic duct, fat, and lymph nodes.,Anatomic Considerations,Dia
3、phragm and Diaphragmatic Crura Lymph Nodes, Cisterna Chyli, and Thoracic Duct 52% at lymphangiography; 1.7% at CT; 15%96% at MR Aorta Azygos and Hemiazygos Veins Paravertebral Venous Plexus valveless Sympathetic Trunk and Splanchnic Nerves,Cisterna Chyli & Thoracic Duct,Paravertebral Venous Plexus,C
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