A rare case of polyangiitis overlap syndrome is described. The patient was a 25-year-old man who had palpable purpura on his legs which showed leukocytoclastic vasculitis, and polyarteritis nodosa. Superior mesenteric arteriography showed microaneurysms in jejunal branches with focal segmental necrotizing arteritis of small and medium sized muscular arteries in the jejunum. Deposits of IgA and C3 in the superficial blood vessels of the lesional skin were consistent with the features of Henoch-Schonlein purpura. The patient died about two months after initial admission in spite of cytotoxic agent and steroid administration.
Adult ; Case Report ; Human ; Male ; Polyarteritis Nodosa/*complications/pathology ; Vasculitis, Hypersensitivity/*complications/pathology

Urticarial vasculitis is characterized clinically by urticarial skin lesions and histologically by leukocytoclastic vasculitis. Hypocomplementemic urticarial vasculitis is associated with connective tissue diseases such as systemic lupus erythematosus (SLE). We report a case of urticarial vasculitis that preceded manifestations of SLE.
Anti-Infective Agents/therapeutic use ; Anti-Inflammatory Agents/therapeutic use ; Diagnosis, Differential ; Female ; Humans ; Lupus Erythematosus, Systemic/*diagnosis/etiology/pathology ; Middle Aged ; Recurrence ; Skin/pathology ; Urticaria/complications/*diagnosis ; Vasculitis, Hypersensitivity/complications/*diagnosis/pathology