• Mahmoud A Abdallah, Mohamed Y Ghozzi, Hoda A Monib, Aisha M Hafez, Kim M Hiatt, Bruce R Smoller, and Thomas D Horn.
• Department of Dermatology and Venereology, Faculty of Medicine Ain Shams University, Cairo, Egypt.
• J. Am. Acad. Dermatol. 2005 Aug 1; 53 (2): 247-51.

BackgroundHepatitis C virus (HCV) infection is globally epidemic. Several mucocutaneous diseases are well established in association with HCV infection. Few case reports describe the recently recognized HCV-related skin disorder termed necrolytic acral erythema (NAE).MethodsThirty patients with NAE were identified in a university-based dermatology clinic in Cairo, Egypt. These patients were observed over time to document the clinical and histologic findings of this disorder.ResultsAll patients were infected with HCV. Erythematous papules arose most commonly on the dorsal aspect of the feet, particularly the dorsal surface of the great toe. Progression resulted in confluence into erythematous dusky plaques with adherent scale and central erosion. The eruption extended to involve the lower leg and other regions in some patients but never affected palms or soles, the nail bed, nail plate, or mucous membranes. Skin biopsy specimens from fully evolved lesions displayed psoriasiform changes in association with more characteristic findings of keratinocyte necrosis and papillomatosis.LimitationsWe did not perform a prospective review of patients known to be infected with HCV. Patients were identified from a general clinic population and then assayed for HCV serology.ConclusionsNAE is a distinctive skin disorder associated with HCV infection in all cases reported to date. Recognition of this disease should alert practitioners to the need for viral testing and appropriate counseling of patients.

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