Pulmonary embolism detection with dual-energy CT: experimental study of dual-source CT in rabbits.
作者： Long-Jiang Zhang , Yan-E Zhao , Sheng-Yong Wu , Benjamin M. Yeh , Chang-Sheng Zhou
DOI: 10.1148/RADIOL.2521081682
关键词:
摘要: Purpose: To evaluate feasibility and added value of dual-energy computed tomography (CT) in diagnosis pulmonary embolism (PE). Materials Methods: This institutional animal experimental committee–approved study was performed accordance with care guidelines. Eight New Zealand rabbits underwent standard unenhanced contrast material–enhanced dual-source CT. Gelatin sponge particles were injected into the artery, contrast-enhanced CT angiography, from which blood-flow (BF) fusion images created. Immediately after CT, sacrificed, their lungs removed fixed 10% formalin, detailed pathologic determination location number lung lobes PE performed. Two excluded: One died during procedure. In other, catheter tip retained left inferior artery. caused marked postembolization image artifacts adjacent regions. Six we...
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