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Figure 1 – Arterial phase Computed Tomography (CTA) in the axial view at initial diagnosis of pseudoaneurysm. (A) Right main coronary ostium, (B) Left main coronary ostium, (C) Pseudoaneurysm with contrast extravasation (arrow), (D) Pseudoaneurysm in largest dimension arising from the left ventricular outflow tract (LVOT) (arrow).
Figure 2 – CTA, axial images, demonstrating interval growth of pseudoaneurysm. (A) Right main coronary ostium, (B) Left main coronary ostium, (C) Pseudoaneurysm with contrast extravasation (arrow), (D) Pseudoaneurysm in largest dimension arising from the left ventricular outflow tract LVOT (arrow).
Figure 3 – Left heart catheterization via transseptal puncture revealing contrast extravasation from the LVOT proximal to the replacement aortic valve.
Figure 4 – CTA, axial images, demonstrating resolution of previously documented pseudoaneurysm. (A) Right main coronary ostium, (B) Left main coronary ostium, (C) Thrombosed pseudoaneurysm sac, (D) Thrombosed pseudoaneurysm with no contrast extravasation from the LVOT.