Angioimmunoblastic T-Cell Lymphoma
Lessons From the Friday Unknowns
Histologic sections show a large lymph node that is almost completely replaced by lymphoma. Scattered reactive follicles are present surrounded by the neoplasm. The neoplasm is composed predominantly of intermediate-size cells with abundant pale cytoplasm. Some high endothelial vessel proliferation is present. Eosinophils and plasma cells are rare.