The CT findings of the mediastinal mass were initially thought to represent either a cardiac angiosarcoma or possibly a secondary cardiac lymphoma in view of the patient's previous history.
Pathology report
Core biopsy showing a diffuse large B-cell lymphoma.
Immunohistochemistry shows expression of CD20, CD79a, Bcl6, MUM-1, Bcl2 and not CD10, CD5, CD23, CD30, EBER, CD3.
Case presented with Dr. Panos Gkoutzios,