CD4 and Burkitt lymphoma: The idea of Vδ1+Vβ+ pairing conforms with the findings of Hochstenbach et al. who described Vδ1+Vβ+ heterodimers on the CD4+ T-cell fraction derived from a human Vδ1+ Cγneg. Burkitt lymphoma (DND-41), established from pleural effusion (60).