Generalised annular plaques on the trunk
BMJ 2022; 378 doi: https://doi.org/10.1136/bmj-2021-067430 (Published 20 July 2022) Cite this as: BMJ 2022;378:e067430
- Wei Liu, resident dermatologist,
- Dong-Lai Ma, professor of dermatology
- Department of Dermatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, National Clinical Research Center for Skin and Immune Diseases, Beijing, 100730, China
- Correspondence to: Dong-Lai Ma, mdonglai{at}yeah.net
A woman in her 20s presented with a two year history of annular plaques on the neck, shoulders, chest, abdomen, back, and upper limbs (figure). The lesions started as erythematous papules and plaques, then gradually increased in number and slowly extended centrifugally. The woman attended local hospitals several times, and oral antihistamines and topical corticosteroid ointment were prescribed, but the lesions gradually expanded and some coalesced. There was no drug intake before the eruption started.
Well demarcated, erythematous, annular plaques with raised edges consisting of small, firm, skin-coloured or erythematous …
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