Sézary syndrome with multiple immunophenotypic aberrancies in tumor cells. Aberrant events representing neoplastic cells are painted red and normal CD4 and CD8 T-cell populations are painted green. A. Tumor cells are CD3 bright(+)CD45 dim(+). B. They are also CD4 dim(+)CD7 bright(+) phenotype and are separable from the normal CD4(+) T-cell population. C Tumor cell population is CD4 dim(+) CD26(-).
Washington et al. BMC Clinical Pathology 2002 2:5 doi:10.1186/1472-6890-2-5