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Fusing DE-MRI with contrast-enhanced MR angiography improves the anatomical visualization and localization of radiofrequency ablation scars after pulmonary vein isolation.
Delayed-enhancement magnetic resonance imaging (DE-MRI) is reported to detect the radiofrequency (RF) ablation scar of pulmonary vein isolation. However, the precise localization of RF scar is difficult to recognize due to the poor anatomical information of the 3-dimensionally reconstructed DE-MRI. We report 2 cases in which fusion of DE-MRI and contrast-enhanced MR angiography facilitated the identification of RF scar, and we detail our fusion method.
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Shigenaga et al. (2015) studied this question.
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