PMC5779746_01
Parasternal 4-chamber view (A) and subcostal view (B) on transthoracic echocardiogram visualization of the biatrial tumor. The white arrow showing the myxoma in the right atrium and the left atrium.
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F1
A. computed tomography scan showing a mass in both atria. The black arrow shows the myxoma in the right atrium and the left atrium.
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F2
Computed tomography angiography (CTA) revealed no significant coronary artery stenosis, but a hypointense mass in both atria (Fig. 2).
Gross appearance showing that the tumor was connected via the fossa ovalis. The white arrow shows the fossa ovalis.
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F3
Prolene running suture. Pathology showed that the excised masses were connected via the fossa ovalis (Fig. 3).
Biatrial tumor which was myxoma by pathological examination (H&E x40). Photomicrograph of the excised mass showing cords of tumor cells (black arrow) with eosinophilic cytoplasm. The tumor cells were within an abundant myxoid stroma (white arrow).
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F4
Histological examination showed features typical of tumor cells containing eosinophilic cytoplasm within an abundant myxoid stroma (Fig. 4) and confirmed the diagnosis of myxoma.