This report describes a patient with extensive pyoderma gangrenosum in
whom there were co-existent lung abnormalities. The patient's X-ray s
howed peripherally sited multiple pulmonary lesions bilaterally. A lun
g biopsy showed chronic non-specific inflammatory changes with neutrop
hil and lymphocyte infiltration which were similar to the skin lesions
. This case was diagnosed as multiple aseptic nodules in pyoderma gang
renosum. The pulmonary infiltrative shadows were controlled only with
prednisolone treatment. Steroid therapy is considered to be the first
choice to control pulmonary lesions of this discase.