case_images: PMC6593924_01
case_images: Bone marrow: morphology suspicious for a lymphoproliferative disorder.
case_images: 10.1177_2324709619858643-fig1.jpg
case_images: PMC6593924_01_10.1177_2324709619858643-fig1.jpg
case_images: fig1-2324709619858643
case_images: Bone marrow: CD20 staining.
case_images: 10.1177_2324709619858643-fig2.jpg
case_images: PMC6593924_01_10.1177_2324709619858643-fig2.jpg
case_images: fig2-2324709619858643
case_images: Immunohistochemical analysis of atypical lymphocytes was strongly positive for CD20 (Figure 2) without co-expression of CD5 or CD10.
case_images: Bone marrow: cyclin D1 staining.
case_images: 10.1177_2324709619858643-fig3.jpg
case_images: PMC6593924_01_10.1177_2324709619858643-fig3.jpg
case_images: fig3-2324709619858643
case_images: Additional immunostains of atypical lymphocytes showed expression of BCL-2 protein and cyclin D1 (Figure 3).