“…Many studies have also detected T cells within carotid plaques (Kleindienst et al, ; Palma et al, ; de Boer et al, ; Chen et al, ; Erbel et al, ; Dietel et al, ; Rohm et al, ). Plaques of otherwise similar status in older patients contain higher levels of infiltrating T cells (Najib et al, ). Both macrophages and T cells are present in higher proportions in the fibrous cap of ruptured plaques (Falk, ; Lendon et al, ; van der Wal et al, ; Boyle, ; Otsuka et al, ).…”