From: Vitreoretinal lymphoma followed by systemic diffuse large B cell lymphoma
Flow cytometry | |
 Positive | B cell: CD19, CD20, lambda light chain restriction |
 Negative | CD5, CD10, CD23, CD34, CD38, CD45T cell: CD2, CD3, CD4, CD5, CD7, CD8, HLA-DR, G1 |
PCR genetic clonality test | |
 Positive | B cell monoclonality (IGH rearrangement) |
 Negative | T cell monoclonality |