PMC4531776_01
Transthoracic echocardiography revealed biatrial myxoma.. A. Apical four chamber view was demonstrating bilobulated 7x4cm-sized right atrial mass and 3x2cm-sized left atrial myxoma. The mass was prolapsed through the tricuspid valve.. B. Parasternal short axis view was demonstrating biatrial myxoma which was attached to septum.(M = myxoma, LV = left ventricle, RV = right ventricle, Ao = arota, RA = right atrium, LA = left atrium, and F = pericardial effusion)
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Also, there was a moderate amount of pericardial effusion(Figure 1).
A. Gross appearance of biatrial myxoma with septum. Grossly myxoma was gelatinous, smooth and round with a glistening surface, friable and lobulated. The base of attachment of atrial myxoma was the fossa ovalis.. B. The histologic findings of myxoma revealed the characteristic pale-staining granular inflammatory cells. Myxoma cells are present with matrix, flanked by collagen zone(HE X400).
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The histologic findings of myxoma revealed the characteristic pale-staining, granular, inflammatory cells (Figure 2).