CTICasesHemitruncus Arteriosus
Imaging findings
An anomalous condition where one pulmonary artery (usually the left) arises directly from the ascending aorta, associated with a perimembranous VSD.
Key takeaways
Hemitruncus is a conotruncal abnormality. Because there is often no severe outflow tract obstruction, patients may survive into adolescence without early diagnosis.
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