LHX2 and keratinocyte carcinoma: Compared with the blank and NC groups, keratinocyte carcinoma, tumor necrosis area, more nuclear fission and obvious lymphocyte infiltration were observed in the miR-506 mimic and siRNA-LHX2 groups, whereas the miR-506 inhibitor group showed less neoplasm necrosis, nuclear fission and lymphocyte infiltration.