PMC3277469_01
A chest X-ray shows right atrial enlargement.
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F1
A chest X-ray showed clear lung fields with RA enlargement (Figure 1).
A transthoracic echocardiogram shows a mass in the right atrium before an operation.
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F2
A transthoracic echocardiogram showed a moving mass in the RA (Figure 2) attached to the atrial septum, an increased RA, right ventricular volume overload, and a dilated inferior vena cava.
An image of a chest computed tomography scan with intravenous contrast shows an enlarged cardiac silhouette with intra-atrial hypodensity.
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F3
A chest CT scan after intravenous administration of iodinated contrast showed an enlarged cardiac silhouette with an intra-atrial hypodensity measuring approximately 6.1 x 5.6 cm and avoided filling of the RA with the contrast medium, suggesting the diagnosis of myxoma (Figure 3).
A lobulated mass with an irregular surface, polypoid areas, and spots of loose and friable tissue.
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F4
Macroscopically, the tumor presented as a 10 x 6 x 8 cm lobulated grayish mass weighing 100 g and had an irregular surface and polypoid areas of elastic consistency and spots of loose and friable tissue (Figure 4).
An optical microscopic view of myxoid stroma with stellate cells without necrosis, mitotic activity, atypia, or pleomorphism.
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F5
Necrosis, mitotic activity, atypia, and pleomorphism were not detected (Figure 5).