PMC10204046_01
Transesophageal echocardiography revealed a 71- x 32-mm left atrial tumor protruding
into the left ventricle during diastole.
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Echocardiography revealed a 71- x 32-mm left atrial tumor protruding into the left ventricle during diastole (Figure 1).
Gross examination revealed a dark red jelly-like tumor with an irregular surface and a
stalk attached caudal to the fossa ovalis.
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A dark red jelly-like tumor (6.0 x 3.5 x 2.8 cm) with an irregular surface and a 1 cm stalk was attached caudal to the fossa ovalis (Figure 2).
Histopathological examination showed acute inflammation with neutrophil infiltration
and attachment of Gram-positive cocci on the surface of the myxoma (Gram stain,
x400).
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The tumor surface was covered with fibrin and bacterial masses (Figure 3).