PMC9681505_01
A: coronary computed tomography angiography 3D reconstruction. Vieussens' arterial ring with an additional small bronchial branch surrounding the main pulmonary artery with a large niche that communicates with the pulmonary artery and its relationship with surrounding structures (blue). B and C: initial angiography. Small right coronary artery and an independent right conus artery (B) with pre and retroconal path (Vieussens' arterial ring) with a large niche that communicates with the main pulmonary artery (contrast media delimitating the PA trunk) (C).
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F1
The other coronary arteries were normal (Figure 1, panel A).