Pediatric Right Atrial Mass With Pulmonary Embolization

Figures

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  Figure 1. Contrast-enhanced CT of the chest, axial display, demonstrates biventricular dilation and a filling defect in the RA and in the subsegmental left lower lobe pulmonary artery branch (arrow).

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  Figure 2. Two-dimensional transthoracic echocardiogram subcostal sagittal midsystolic view demonstrates a large echobright mass (arrow) attached to wall of the IVC and protruding into the RA.

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  Figure 3. Two-dimensional transthoracic echocardiogram in the 4-chamber view (A) and two-dimensional transesophageal echocardiogram midesophageal, RV-focused 4-chamber view (B) in middiastole demonstrate mild biventricular dilation and a large echobright mass (arrow) in the RA crossing the plane of the TV. LA, Left atrium.

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  Figure 4. Two-dimensional transesophageal echocardiogram, midesophageal, basal short-axis RV outflow tract (50°) diastolic view, demonstrates a normal aortic valve and a large, mobile echobright mass (arrow) in the RA.

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  Figure 5. Intraoperative images from the surgeon's perspective of the mass (white arrows) within the RA rotated slightly (left panel) to demonstrate the proximity to the TV (yellow arrow) and the anatomically correct orientation (right panel) with the diaphragm positioned inferiorly.

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  Figure 6. Gross specimen of the resected mass measuring 45 × 15 mm. The tip of the mass (arrow) was attached deep within the IVC near the level of the diaphragm.