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a–c. A 27-year-old man with end-stage renal disease and central retinal arterial occlusion (case no: 10). Short-axis (a) and long-axis two-chamber view (b) CT images show an irregularly shaped, predominantly calcified mass in the left atrium (arrowheads) and a diffuse calcified polypoid mass in the anterior papillary muscle (black arrow). Hematoxylin and eosin stain of the excised mass (c) shows areas of calcification (arrows) with fibrin and a degenerative thrombus (X200).
