[Table/Fig-10]:

Pseudotruncus. A 10-year-male patient presenting with exertional dyspnoea, investigated for cardiac disease diagnosed with severe pulmonary atresia: (a) Diagrammatic representation patent of vascular anatomy in severe pulmonary atresia (pseudo-truncus); (b) axial CT images shows a large ascending aorta (arrow) and absent pulmonary artery. Large collateral artery is seen arising from descending aorta (open arrow); (c) Reconstructed coronal CT view shows collateral arteries reconstituting pulmonary arteries.(triangles); (d) 3D reconstruction of aorta shows enlarged collateral arteries (open arrow) (MAPCA).