Fig. 3
From: Three steps approach for preoperative evaluation of tetralogy of Fallot patients: role of 128 MDCT
Three-month-TOF boy. a Coronal MPR image of overriding aorta (arrow). b Axial image at the level of subaortic outlet VSD (arrow) with mildly hypertrophied RV (arrowhead). c Sagittal MPR image showing marked narrowing of RVOT (arrow). d Axial MIP image revealed atresia of the pulmonary valve (asterisk), marked hypoplasia of MPA and its two branches (arrowhead). MAPCA (arrow) is seen arising from the anterolateral aspect of the descending thoracic aorta connected to the end of the right PA. e VR images of the thoracic aorta showing the aortopulmonary collaterals (MAPCA 1 and MAPCA2), bovine AA arch is noted (asterisk)