I have just returned from my Dermatologist who treats my skin cancer. In discussion with him about my PN he stated that stem cell technology will find a "cure" within the next 2 years. I have a lot of respect for him as he saved my life several years ago when he detected a melanoma and he is one of New Zealand's leading dermatologists. Before embarking on an extensive Google search I thought I would see what you good people have to say on the subject.