Fig. 3.
ALCL of CD8+ cytotoxic T-cell type (Table 2; case 5). (A) Tumor cells display strong CD8 positivity in paraffin section. (B) Immunostain for TIA-1 reveals granular staining in the majority of tumor cells. (sABC-peroxidase technique, hematoxylin counterstain, original magnification × 400.)