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《Chinese Journal of Medical Imaging Technology》 2012-02
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Diagnostic value of MSCT direct lymphangiography in diffuse pulmonary lymphangiomatosis

WANG Ren-gui1,CHEN Xiao-bai1,DUAN Yong-li1,LI Qiong-ge2,ZHAO Jun1, FU Yan1,WEN Ting-guo1,SHEN Wen-bin3 (1.Department of Radiology,3.Department of Lymphatic Surgery,Beijing Shijitan Hospital,Capital Medical University,Beijing 100038,China;2.Physics & Astronomy Department,University of Georgia,Athens 30601,USA)  
Objective To explore the diagnostic value of MSCT direct lymphangiography in the diffuse pulmonary lymphangiomatosis(DPL).Methods Eighteen patients with DPL confirmed by clinical and pathological results were enrolled.The findings of MSCT direct lymphangiography were analyzed by 2 doctors.Results The thoracic features of patients with DPL included abnormal return and distribution of contrast medium(18/18,100%),the dilatation of lymphatic channels(18/18,100%),mediastinal soft tissue enlargement(18/18,100%),peribronchovascular thickening(18/18,100%),interlobular septal thickening(15/18,83.33%),fissure interlobar thickening(15/18,83.33%),diffuse ground glass opacities(14/18,77.78%),pleural effusion(17/18,94.44%),pleural thickening(9/18,50.00%),extra-pleural soft tissue thickening(11/18,61.11%),pericardial effusion and thickened pericardium(16/18,88.89%),multiple lymphadenopathy in mediastinum and axilla(8/18,44.44%),pneumo-thorax/mediastinum/pericardium(4/18,22.22%),thoracic collapse(3/18,16.67%).The other associated extrathoracic abnormalities included retroperitoneal lymphatic vessels dilation and return of lymphatic fluid(4/18,22.22%),abdominal effusion(1/18,5.56%),retroperitoneal and splenic cystic lymphangioma(1/18,5.56%),cervical lymphatic vessels dilation(8/18,44.44%),thoracic duct outlet obstruction(8/18,44.44%),multiple small lymphadenopathy in neck(10/18,62.50%) and axilla(16/18,88.89%),lower extremity lymphedema(1/18,5.56%),facial edema(1/18,5.56%) and bone or vertebral lesions(3/18,16.67%).Conclusion MSCT direct lymphangiography can clearly show the lymphatic abnormal return and the dilatation and proliferation of lymphatic channels by abnormal distribution of contrast agent,therefore provide important basis for diagnosis and therapy of DPL.
【CateGory Index】: R734.2
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