PMC6051319_01
Transthoracic echocardiogram modified apical 4-chamber view showing a large mass in the right ventricle and atrium measuring 7.7 x 3.8 cm and another mass in the left ventricle attached to interventricular septum measuring 1.5 x 1.3 cm.
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T4. Transthoracic echocardiography (TTE) showed a large echogenic mobile mass with central constriction attached to the interventricular septum (IVS), occupying the entire right atrium and right ventricle (RV) and obstructing the flow of the tricuspid valve. There were two other masses of the same echogenicity: one was occupying the left ventricle (LV) and the other was in the left atrium attached to the interatrial septum at the site of fossa ovalis (Figure 1, Videos 1-5). The left ventricular dimensions and function were normal.
Cardiac magnetic resonance showing a myxoma occupying the right ventricle and atrium and another myxoma in the left ventricle attached to the interventricular septum.
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Cardiac magnetic resonance showed similar findings with no septal invasion and tissue characterization suggestive of multiple myxomas (Figure 2).
Computed tomography showing a large myxoma occupying the right ventricle and atrium, another myxoma occupying the left atrium, and a third myxoma occupying the left ventricle.
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Computed tomography of the chest, abdomen, and pelvis revealed the same findings (Figure 3) in addition to an enlarged thyroid nodule and a left adrenal cyst that measures 65 x 57 mm (Figure 4).
Computed tomography showing a large adrenal cyst measuring 65 x 57 mm.
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Computed tomography of the chest, abdomen, and pelvis revealed the same findings (Figure 3) in addition to an enlarged thyroid nodule and a left adrenal cyst that measures 65 x 57 mm (Figure 4).
Gross specimen of the myxomas.
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The masses were grossly reddish grey in color, fleshy, and gelatinous in consistency (Figure 5).
(a, b) Histopathology of mass showing myxomatous cellular proliferations with sparse collagen fibers consistent with myxoma.
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The histopathological examination of the excised masses revealed myxomatous cellular proliferations with sparse collagen fibers consistent with multiple myxomas (Figures 6(a) and 6(b)).