Abstract
This report describes a 75 year-old woman with recurrent pyoderma gangrenosum in whom there were co-existent pulmonary aseptic abscess. Chest x-ray examination revealed infiltrative shadow, which disappeared spontaneously, in November 2000. She developed pyoderma gangrenosum on the right clavicular region in June 2001. Cutaneous ulcer improved after starting oral predonisolone 20mg/day. The pulmonary lesion recurred in March 2003, soon after stopping predonisolone. She presented with another ulcer on her waist in May 2003. Both pulmonary and cutaneous lesion responded well to oral predonisolone 40mg/day, however, she died of sudden peritonitis.
