I have black marks like MOLE in arms,chest,stomach and in back side.I had consulted with many doctors but there is no solution for my problem.One of them had said that it is like mole, it generally comes to men and it has no treatment after testing my skin.Now it starts itching in some other places and it starts blackening of skin.I have this problem for four years and i was taking treatment for two years but there is no result for this.I need a perfect dermetologist guidence for curing this.I am parthiban .I am 22and this is mob no :8870351570.I have whatsapp also,and this is my email id parthi.***@**** .please help me if any one knows about it and guide me.