Figure 1. Cervical lymph node, infiltrated by small to medium atypical lymphoid cells with scattered eosinophils (H&E x100, H&E x400). Immunohistochemistry shows partial loss of CD3 expression (x400), and positive staining for CD2 (x400), CD5 (x400), CD7 (x400), CD1a (x400), TdT (x400), CD4 (x400), CD8 (x400).