hi i am looking for abit of help i have skin lesions the drs thought it was pyoderma gangernosum but after been treated for 7 yrs for it they have now said it isnt and have no clue on what it is the call it a mystery skin disease which they can not treat and i just have to live with it they are real sore and i need to be on morphine for pain after the blister goes the tissue dies and goes gangrene