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PTCL with TFH phenotype: Microphotograph shows effacement of lymph nodal architecture [H&E A ×100]. The cells are of intermediate size with mild nuclear irregularity [H&E B ×100]. The cells are immunopositive for CD3 [C ×100], BCL6 [D ×200] while negative for CD20 [E ×100]. CD23 shows loss of dendritic cell meshwork [F ×100].
