case_images: PMC6234618_01
case_images: Chest radiograph demonstrating a large round opacity in the right chest (1A: Anterior-posterior view, 1B: Lateral view).
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case_images: Chest radiography demonstrated a large round opacity in the right chest (Fig. 1), prompting computed tomographic (CT) imaging of the chest, which demonstrated a 13 cm pleural-based mass in the posterior mediastinum with focal areas of central necrosis and arterial enhancement (Fig. 2A).
case_images: A: Computed tomography of the chest demonstrating a 13 cm pleural-based mass with focal areas of necrosis and arterial enhancement. B: Magnetic resonance imaging of the chest demonstrating focal extension of the mass through the parietal pleura into the paravertebral space and into the T7 vertebral body without encroachment into the spinal canal or evidence of spinal cord compression.
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case_images: T7 vertebral body without encroachment into the spinal canal or evidence of spinal cord compression (Fig. 2B). There was a well-corticated margin at the site where the mass was invading the vertebral body, suggesting a chronic pressure-type remodeling process.
case_images: Intra-operative finding: large tumor occupying right hemithorax.
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case_images: A large posterior mediastinal mass occupying most of the lower portion of the chest and causing compressive atelectasis of the entire right lower lobe was encountered (Fig. 3).
case_images: Angioembolization of intercostal arteries perfusing the mass.
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case_images: Particle embolization of these arteries was performed (Fig. 4).
case_images: Post-operative chest radiograph (1A: Anterior-posterior view, 1B: Lateral view).
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case_images: Her chest radiograph at follow up showed clear lung fields with complete resolution of pulmonary edema (Fig. 5).