When Was Pityriasis Rosea Discovered Anyone Know Anything About Pityriasis Rosea?

Anyone know anything about Pityriasis Rosea? - when was pityriasis rosea discovered

I started with an oval spot scaly skin on his back in the 08th July, "began to disappear, but I had an outbreak of small particles in the trunk of September (this was after my friend found a breakthrough in the chest about 2 weeks before) was a physician. And he said he had pityriasis rosea, which I read and found information that a large patch of scales. The focus was on my chest after a week or two, and finally the big patch on the back have started to disappear ... then the time starts, seemed a stain on the thigh and soon came to a place within the arm in order. You see them disappear the same as in the back and begin to ... which leaves a white mark, which is again what happened to my back. This has been going now for 6 months until a patch and wants to ensure that I have is pityriasis rosea and nothing else. It seems that is his end and I have a dr. agreement. to Thurs but I also know that there is nothing toget rid of him. These patches are just really worried. Please help if anyone knows about this rash / virus ??????