[Long-term follow-up of pyoderma gangrenosum (PG) associated with aortitis syndrome (AOS)].

It is known that PG is often associated with AOS. However, there have been no reports on long term follow-up of PG associated with AOS. We experienced a case of a 16 year old female who suffered from PG and AOS. The onset of both diseases occurred at the same time. On admission, many pustules and ulcers were found on the extremities. There was no finding of vasculitis in histopathological examinations. Development of skin lesions of PG coincided with the progress of AOS. But, AOS was progressive even when the patient was free of skin eruptions. It was concluded that the activity of PG was not always parallel to that of AOS.