Fig. 4
From: Three steps approach for preoperative evaluation of tetralogy of Fallot patients: role of 128 MDCT
Ten-month-TOF boy. a Overriding aorta (arrow). b Subaortic outlet VSD (asterisk) and hypertrophied RV. c Infundibular muscle hypertrophy with marked RVOT narrowing (arrow). Thickened pulmonary valve appears in the image (asterisk). d Normal MPA and its two branches arrows in VR image. e Artopulmonary collaterals arising from the descending aorta and coursing to both hila (arrows). f Right-sided AA with mirror image branching pattern. g Anomalous origin of coronary arteries, both RCA and LCA arise by common ostium (right coronary ostium). Left coronary artery passes in front of the RVOT