Clinically, MF pre- sented with non-specific skin lesion such as papule or plaque,Whereas these PCML other than MF prese临床上，MF可表现为红斑、斑块等非特异性皮损，而其它各类皮损均表现为无症状性皮肤结节、肿块。
Embryo’s X Chromosome Inactivation and Reactivation in the Pre- and Post-implantation Stage着床前后X染色体失活和复活的意义