PMC7640611_01
Imaging results. (a) Steady-state free precession (SSFP) images showing main and right pulmonary artery dilatation and a right pulmonary artery lumen reduction that is compressed by hypodense mass (thrombosed false lumen). (b) Contrast enhanced-magnetic resonance angiography (CE-MRA) showing main and right pulmonary artery dilatation with right pulmonary artery perfusion defect. (c) Angio-computed tomography (CT) images showing main and right pulmonary artery dilatation with right pulmonary artery dissection; a true and a thrombosed false lumen are visualized. (d) Angio-CT images showing a hypodense formation at the right pulmonary artery bifurcation; this formation was not enhanced during angiography and venous phase images.
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Steady-state free precession (SSFP) images showed main and right PA dilatation, right PA lumen reduction that is compressed by hypodense mass and a thrombosed false lumen (Fig. 1a). Contrast enhanced-magnetic resonance angiography (CE-MRA) showed a right PA perfusion defect (Fig. 1b). CT scan showed thrombosed right PA dissection (Fig. 1c). CT images demonstrated hypodense formation at the right PA bifurcation, and this formation was not enhanced in the angiography and venous phase images (Fig. 1d).