Figure 2From: MGMT promoter methylation status and MGMT and CD133 immunohistochemical expression as prognostic markers in glioblastoma patients treated with temozolomide plus radiotherapy Representative photomicrographs illustrating different percentages of MGMT-stained tumor cells scored as +/− (A, B, C and D), 1+ (E), 2+ (F, G, H and I), 3+ (J, K and L) (see Methods) (20×). Back to article page