PMC7089917_01
Extension of the lymphoma. (A) Transesophageal echocardiography revealing right ventricular infiltration. (B) Transesophageal echocardiography bicaval view showing an infiltration of the right atrium. (C) Transesophageal echocardiography (left atrial appendage with a dense round image that could be a thrombus). (D) PET-CT revealing the extension of the lymphoma. RA, Right atrium; RV, Right ventricle; LA, Left atrium; LUPV, Left upper pulmonary veins; LAA, Left atrial appendage; IVC, Inferior vena cava; SVC, Superior vena cava; PERI, Pericardium.
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F1
A pattern in favor of a primary cardiac tumor was most likely (Figures 1A-C). These findings were suggestive of cardiac sarcoma or cardiac lymphoma of the heart (Figure 1D) (Supplementary Video 1).
Right supraclavicular adenopathy. A specimen of the right supraclavicular adenopathy by percutaneous biopsy.
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F2
For a definitive diagnosis, a percutaneous biopsy of the right supraclavicular adenopathy was performed (Figure 2).
Complete remission after chemotherapy. (A) Transesophageal echocardiography revealing right ventricular infiltration before chemotherapy. (B) Transthoracic echocardiography revealing remission after chemotherapy.
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F3
There were no more infiltrated tissues, and the right ventricle regained its function (Figure 3).