CTICasesRecurrent Left Atrial Spindle Cell Sarcoma
Imaging findings
Contrast-enhanced cardiac CT demonstrates a large, hypoattenuating mass in the left atrium that shows avid arterial-phase enhancement. The mass causes irregular thickening of the posterior atrial wall, the mitral valve annulus, and the posterior leaflet, with extension close to the ostium of the pulmonary vein.
Key takeaways
Primary cardiac sarcomas, such as spindle cell sarcomas, are highly aggressive malignancies that tend to invade the myocardial wall, valvular tissue, and pulmonary veins, making complete surgical resection difficult. Recurrent cases may require complex surgical procedures such as cardiac auto-transplantation (ex-vivo tumor resection followed by reconstruction and reimplantation of the heart).
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