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Revisiting Riehl’s Melanosis in Korean Patients: Clinicopathological Features, Blood Chemistry, and Immunohistochemistry

대한피부과학회지 2021년 59권 1호 p.45 ~ 53
원광희, 김정은, 최명은, 이예진, 정찬진, 박병진, 이우진, 원종현, 이미우, 최지호, 장성은,
소속 상세정보
원광희 ( Won Kwang-Hee ) - Leaders Dermatology Clinic
김정은 ( Kim Jeong-Eun ) - Hanyang University College of Medicine Department of Dermatology
최명은 ( Choi Myoung-Eun ) - University of Ulsan College of Medicine Asan Medical Center Department of Dermatology
이예진 ( Lee Ye-Jin ) - Hong Dermatology
정찬진 ( Jung Chang-Jin ) - University of Ulsan College of Medicine Asan Medical Center Department of Dermatology
박병진 ( Park Byeong-Jin ) - Hanyang University College of Medicine Department of Dermatology
이우진 ( Lee Woo-Jin ) - University of Ulsan College of Medicine Asan Medical Center Department of Dermatology
원종현 ( Won Chong-Hyun ) - University of Ulsan College of Medicine Asan Medical Center Department of Dermatology
이미우 ( Lee Mi-Woo ) - University of Ulsan College of Medicine Asan Medical Center Department of Dermatology
최지호 ( Choi Jee-Ho ) - University of Ulsan College of Medicine Asan Medical Center Department of Dermatology
장성은 ( Chang Sung-Eun ) - University of Ulsan College of Medicine Asan Medical Center Department of Dermatology

Abstract


Background: Riehl’s melanosis of the face and neck has been reported in middle-aged women who have darker skin types. Recently, cases of Riehl’s melanosis have been on the rise in Korea, which might reflect the increased use of various cosmetic products and procedures.

Objective: This study was designed to analyze the clinicopathological characteristics and treatment outcomes of Riehl’s melanosis in Korean patients.

Methods: We closely observed 80 patients with Riehl’s melanosis diagnosed in Asan Medical Center and Hanyang University Medical Center between 2005 and 2015. A skin biopsy was analyzed in 51 patients, and a patch test was carried out in 16 patients.

Results: Patients with chronic Riehl’s melanosis (>12 months) had an increased frequency of previous laser treatments. Patients with acute Riehl’s melanosis (<3 months) reported a previous history of dry skin, itching, or irritation as a result of the use of hair dye. Patients older than 50 years, with darker skin type, and with a longer disease duration (>12 months) had poor response rates. Chronic Riehl’s melanosis may be preceded by repeated irritation of barrier-compromised skin, and acute Riehl’s melanosis seems to be an allergic form of Riehl’s melanosis.

Conclusion: Riehl’s melanosis has different clinical manifestations according to disease duration and different treatment responses based on disease duration.

키워드

Contact dermatitis; Prognosis; Skin pigmentation; Treatment

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