급성 위장관출혈로 발현한 다발성 결절동맥염

Polyarteritis nodosa, one of the necrotizing vasculitis involving predominantly small and medium sized arteries is rare disease.Polyarteritis nodosa may afiect many organs such as kidney, heart, liver,gastrointestinal tract and muscle, so that non-specific symptorns ate characteristic and diagnosis is very difficult. Gastrointestinal Ivoivement was reported in about 50% of cases, but bleeding complication is rere and results in poor prognosis.Recently we experionced a case of plolyarteritis nodosa complicating massive upper gastrointestinal bleeding, which was diagnosed by pathologic wxamination of stomach apecimen surgically removed.