[One case of pyoderma gangrenosum in the lower limbs in Tibetan Plateau treated with vacuum sealing drainage combined with irrigation of oxygen loaded fluid].

A 54 years old male patient with chronic leg ulcers was admitted in our hospital in November 2017. He was diagnosed as pyoderma gangrenosum by the pathological examination. Then the wound was treated with simple vacuum sealing drainage combined with irrigation of oxygen loaded fluid.