【摘 要】
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Objective To compare the feasibility of interstitial magnetic resonance lymphography using subcutaneous injection of Dextran-DTPA-Gd and Gadopentetate Dimeglumine.Methods The 1.2mL Dextran-DTPA-Gd(3.9
【机 构】
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Department of Oral and Maxillofacial Surgery,The Affliated Hospital of Medical College,Qingdao Unive
【出 处】
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2014第八次全国口腔颌面-头颈肿瘤学术研讨会
论文部分内容阅读
Objective To compare the feasibility of interstitial magnetic resonance lymphography using subcutaneous injection of Dextran-DTPA-Gd and Gadopentetate Dimeglumine.Methods The 1.2mL Dextran-DTPA-Gd(3.96× 10-3mol/L)was injected subcutaneously into the interdigital skin fold of the dorsal aspect of the right hind leg in 12 New Zealand rabbits.The 1.2mL Gadopentetate Dimeglumine(0.4998mol/L)was injected into the left hind leg in same rabbit after 30 minutes.MR images were obtained before injection and 10,15,20,25,30,35,40,45,50,55,60 minutes and 2,4,24 hours after injection by the 3D TOF CE-MRA sequence.The signal intensities of popliteal lymph node were measured,the enhancing rates(E%)were calculated and the signal-time course curve was drawn.
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