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Figure 4 Reformatted oblique section of a 3D contrast-enhanced magnetic resonance angiography data set demonstrating anomalous connection of the left upper and left middle pulmonary veins to a vertical vein that enters the left brachiocephalic vein (BcphV). Communication between the BcphV and the right superior vena cava (SVC) is seen proximal to the entry of the SVC into the right atrium. The aorta and left pulmonary artery (PA) are also noted. This figure demonstrates the utility of the reformatting technique, which permits reorientation of the data set from a coronal (original) to an oblique parasagittal view and delineation of the course of nearly the entire BcphV. APV = anomalous pulmonary vein.
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