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Antimalarial lichenoid tissue reactions in patients with pre-existing lupus erythematosusDepartment of Dermatology, University of Iowa, Iowa city, IA, USA
Department of Dermatology, University of Iowa, Iowa city, IA, USA
Department of Dermatology, University of Iowa, Iowa city, IA, USA, richard-sontheimer{at}uiowa.edu Recently a number of cases of drug induction or exacerbation of lupus erythematosus (LE) specific skin disease have been described in the literature. Many of the responsible medications are also known for their ability to induce a lichenoid tissue reaction. Aminoquinoline antimalarials are currently the first line of therapy in cutaneous LE specific skin disease. Lichenoid tissue reactions are among the most common cutaneous side effects of aminoquinolone antimalarials. We report three cases of aminoquinolone antimalarial induced or exacerbated LE specific skin disease. We also review the pathophysiology of LE specific skin disease and propose a mechanism by which induction of the lichenoid tissue reaction may result in Koebnerization of LE specific skin lesions.
Key Words: antimalarials cutaneous lupus lichenoid drug eruptions lupus erythematosus
Lupus, Vol. 13, No. 6,
473-477 (2004) |
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