[Table/Fig-3b]:

A three-month-old female presented with cyanosis on feeding, diagnosed as Tetralogy on echocardiography, confirmed on MDCT examination: (e) axial CT images shows a large subaortic ventricular septal defect (arrow) and RVH; (f) Sagittal CT demonstrates large aorta(triangle) with normal branching pattern; (g) axial CT image at a slightly higher level shows severe narrowing of pulmonary infundibulum and proximal pulmonary artery (arrow). Right and left pulmonary arteries are relatively small. Also, there are enlarged collateral arteries in chest wall (open arrow) (h) 3D reconstruction of aorta shows enlarged major aorto-pulmonary collateral arteries (MAPCA) (arrows).