Abstract
European reports have revealed that ectoparasites from animals can be a common cause of skin disease in humans.<sup>1-3</sup>Few reports in the United States, however, have dealt with parasite-induced dermatitis in man. This report details the diagnosis and clinical correlation of<i>Cheyletiella</i>infestation in cats and their owners. <h3>Report of Cases</h3> Case 1.—A 32-year-old woman had a pruritic dermatitis for one week. Papular lesions were observed on both wrists, arms, abdomen, chest, and thighs. Raised erythematous papules occurred singly or in groups and were 1 to 5 mm in diameter. Early lesions were seen initially as erythematous macules and developed central papules 2 to 5 mm in diameter that frequently became pustular. Old lesions had central areas of necrosis. Pruritus was marked, and became intense when the patient entered a warm environment. The pruritus and appearance of her lesions were most severe after close contact with her pet cats.
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