Immunostainings for cyclin D1, SOX11, and p53. Stainings for cyclin D1 (A,D,G), SOX11 (B,E,H,J-L), and p53 (C,F,I). BM of a case (case 80) of SOX11⁺, p53⁺ MCL (A-C). BM of SOX11⁻, p53⁺ MCL cases 125 (D-F) and 139 (G-I, higher magnification of SOX11 staining in panel J). For case 139 SOX11 was also negative in cells prepared from leukemic cells in peripheral blood (K) compared with the MCL cell line Rec1 (L). Original magnification, ×40 (A-F,J,K-L) and ×20 (G-I). Olympus BX45 microscope, (Olympus), DXC-S500 camera, (Sony), Picsara software (Euromed Network).