CTICasesHemitruncus
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Imaging findings
Right pulmonary artery originating from the ascending aorta, with the left pulmonary artery arising from the right ventricle. This is a rare form of truncus arteriosus variant.
Key takeaways
Hemitruncus (or hemitruncus arteriosus) is a rare congenital anomaly where one pulmonary artery arises from the aorta while the other arises from the right ventricle.
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