Fig. 8
From: MDCT angiographic findings of various congenital pulmonary artery anomalies in pediatric patients
An 8-day-old girl with respiratory distress. She has an aberrant right SCA (arrow in a) and aberrant left pulmonary artery that arises from the right pulmonary artery (arrow in b). The aberrant LPA passes between the trachea and the esophagus. Sagittal reformat MinIP image (c) shows the aberrant RSCA and LPA as well as the long tracheal stenosis. d MinIP image shows right upper lobe bronchus (RULB) arising from trachea (bronchus suis). Distal to the take-off of RULB, the trachea appears narrow with low T-shaped carina (inverted T) caused by the horizontal orientation of the left main bronchus and the bronchus intermedius. Comments: Tracheal stenosis was not limited to the aberrant LPA denoting congenital stenosis rather than localized compression by the aberrant LPA. The anesthesiologist should be aware of the tracheal RULB as it poses risk during ETT introduction. So, we can also say that CT scan is not only important for surgical planning but also to alert anesthesiologists about potential complications caused by the airway anomalies