Primary cutaneous acral CD8⁺T-cell lymphoma. (A) Typical clinical presentation, with slowly progressive skin tumor on the right ear. (B) Diffuse proliferation of medium-sized pleomorphic cells in the dermis; the atypical cells strongly express CD8 (C) and TIA-1 (D). (E) CD68 shows a positive Golgi dot-like staining. Original magnification ×20 (B,E) and ×40 (C-D); hematoxylin and eosin (B) and immunoperoxidase (C-E) stain.