국소 및 전신 레티노이드 병합요법으로 호전된 원발성 원형 잔비늘증

초록

Pityriasis rotunda (PR) is a rare disease characterized by persistent, sharply defined, oval, scaly patches of dry skin, localized mainly on the trunk and extremities. Its etiology remains unknown. However, several reports suggest that it is a form of acquired ichthyosis vulgaris or a skin manifestation of systemic disease, such as malnutrition, chronic illness, hepatic disease, and malignancies. Although a variety of treatment modalities, including topical lactic acid, urea, tars, emollients, and corticosteroid, have been applied to it, their efficacies are not satisfactory. Herein, we report a case of PR in a healthy man who was successfully treated with oral and topical retinoids.

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