• K R Chen, W P Su, M R Pittelkow, and K M Leiferman.
• Department of Dermatology, Mayo Clinic, Rochester, MN 55905, USA.
• Semin Dermatol. 1995 Jun 1; 14 (2): 106-10.

AbstractWe recently identified a syndrome of recurrent cutaneous eosinophilic vasculitis in three patients. These patients had in common widespread pruritic, erythematous, purpuric papules and angioedema of face and hands associated with peripheral blood eosinophilia. Eight skin biopsies from these three patients all showed necrotizing vasculitis of the small vessels of the skin, with exclusively eosinophilic infiltration and minimal or no leukocytoclasis. The disease followed a chronic course, with recurrent, itchy, swelling skin lesions and without evidence of systemic involvement over observation periods of 3, 17, and 23 years. The skin lesions responded promptly to systemic steroid treatment, but two patients required maintenance doses for control of the disease. Immunofluorescence studies showed marked deposition of the cytotoxic eosinophil granule major basic protein in the affected vessel walls. Eosinophil-active cytokine IL-5 was detected in the serum of one patient. Expression of the vascular cell adhesion molecule-1 for eosinophil adherence was detected on the endothelium of the affected vessels. Because this disease showed distinctive clinical manifestations and characteristic histopathological features, we believe it is a distinct entity and should be distinguished from other types of vasculitis.

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