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Ultrasonogrpahy showing the pulsatile mass with aliasing flow inside and the continuity with the artery with a narrow neck.
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A Doppler Ultrasonography was performed suggesting a vascular pseudo aneurysm on the antero- external side of the knee (Fig. 1).
CTA showing the pseudoaneurysm. There is still a little edema due to the procedure. Axial plane of CTA showing the early opacification of pseudoaneurysm with contrast in arterial phase. Note the synovitis in the knee joint (post-operative aspect).
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A computed tomography angiography (CTA) completed, confirmed a pseudo aneurysm with an arterial feeder from the supero-lateral genicular artery (a popliteal artery branch) (Figs. 2, 3A-B).
A Lateral view of a 3D Reconstructed CT with the visualization of the pseudoaneurysm depending of the supero-lateral genicular artery. B 3/4 view with the popliteal artery and the pseudoaneurysm of its branch.
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A computed tomography angiography (CTA) completed, confirmed a pseudo aneurysm with an arterial feeder from the supero-lateral genicular artery (a popliteal artery branch) (Figs. 2, 3A-B).