Figure 24.

Angiosarcoma (AS) in a 60-year-old woman that presented with tamponade, and a right atrial (RA) mass. (a) TTE of RA with 2.8 × 1.8 cm mass in the dome and around the wall atrial chamber. (b) CMR heterogenous, nonobstructive right atrial mass which extends along the posterior and posterolateral wall and fills the right atrial appendage. Top right most image shows mild perfusion and bottom right shows moderate patchy late gadolinium enhancement. The location along with these features suggests angiosarcoma as the diagnosis. (c) Surgical view of the tumor upon opening of the RA. (d) Gross pathology of the surgical specimen with rim of the RA.

Abbreviations: CMR, cardiac magnetic resonance; TTE, transthoracic echocardiography.