Fig. 8From: Complex adult congenital heart disease on cross-sectional imaging: an introductory overviewAxial (A) and coronal (B) contrast-enhanced CT images in a patient with an extra-cardiac conduit Fontan circuit. A If the study is protocolled as a standard CT pulmonary angiogram, a pseudo-thromboembolism may be seen – in this case seen in the superior vena cava (yellow arrow). B Note that the conduit also appears poorly opacified (red asterisk)Back to article page