Korean J Dermatol.
2015 Mar;53(3):235-238.
A Case of Lupus Erythematosus Panniculitis of the Scalp Presenting as Doughnut-shaped Alopecia along Blaschko's lines
- Affiliations
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- 1Department of Dermatology, School of Medicine and the Medical Research Institute, Chungbuk National University, Cheongju, Korea. tyyoon@chungbuk.ac.kr
- 2Department of Internal Medicine, School of Medicine and the Medical Research Institute, Chungbuk National University, Cheongju, Korea.
Abstract
- A 9-year-old girl presented with a 2-year history of doughnut-shaped hair loss on the frontal scalp, resembling the symmetric distribution of Blaschko's lines. Physical examination showed an alopecic patch with mild scalp induration. Histopathology revealed lymphoplasmacytic infiltration of the perifollicular dermis and subcutaneous lobules with abundant mucin deposition, consistent with a diagnosis of lupus erythematosus panniculitis. Three cases of linear lupus erythematosus panniculitis of the scalp presenting as alopecia along Blaschko's lines have been documented in Korean dermatologic literature. However, there have been no reports of doughnut-shaped alopecia until now. Herein, we present an interesting case of a pediatric patient with a unique feature of doughnut-shaped alopecia along Blaschko's lines.
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