case_images: PMC3277469_01
case_images: A chest X-ray shows right atrial enlargement.
case_images: 1752-1947-6-26-1.jpg
case_images: PMC3277469_01_1752-1947-6-26-1.jpg
case_images: F1
case_images: A chest X-ray showed clear lung fields with RA enlargement (Figure 1).
case_images: A transthoracic echocardiogram shows a mass in the right atrium before an operation.
case_images: 1752-1947-6-26-2.jpg
case_images: PMC3277469_01_1752-1947-6-26-2.jpg
case_images: F2
case_images: 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.
case_images: An image of a chest computed tomography scan with intravenous contrast shows an enlarged cardiac silhouette with intra-atrial hypodensity.
case_images: 1752-1947-6-26-3.jpg
case_images: PMC3277469_01_1752-1947-6-26-3.jpg
case_images: F3
case_images: 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).
case_images: A lobulated mass with an irregular surface, polypoid areas, and spots of loose and friable tissue.
case_images: 1752-1947-6-26-4.jpg
case_images: PMC3277469_01_1752-1947-6-26-4.jpg
case_images: F4
case_images: 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).
case_images: An optical microscopic view of myxoid stroma with stellate cells without necrosis, mitotic activity, atypia, or pleomorphism.
case_images: 1752-1947-6-26-5.jpg
case_images: PMC3277469_01_1752-1947-6-26-5.jpg
case_images: F5
case_images: Necrosis, mitotic activity, atypia, and pleomorphism were not detected (Figure 5).