“…In cases with cytophagic histiocytic panniculitis or hemophagocytic syndrome, histiocytes phagocytizing red and white blood cells are present (Fig 4). 26,29,32,33 Immunophenotype: The neoplastic cells are usually positive for CD3, CD2, CD56, and cytotoxic proteins, (TIA-1, granzyme B, and perforin), 26,28,33 and negative for CD4, CD8, β-F1, and CD5.…”