Clinical and histopathologic features of the 2 patients with LyP. Case 1 (A-C) and case 2 (D-E). Arrow in panel A shows the tumor of ALCL; the papular lesions in panels A and D represent LyP. Panels B and E show positive CD30 staining of atypical lymphoid cells in LyP. Panel C shows a more massive infiltration and pronounced atypia of CD30⁺ cells in ALCL. Original magnification, × 200 (B,C,E).