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Endgames Case Review

A boy with annular erythema on the nose

BMJ 2021; 374 doi: (Published 18 August 2021) Cite this as: BMJ 2021;374:n1952
  1. Ya Bin Zhou, dermatologist,
  2. Lin Ma, dermatologist,
  3. Yuan Yuan Xiao, dermatologist
  1. Department of Dermatology, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
  1. Correspondence to: Y Y Xiao xyy81924{at}

A 4 year old boy presented with annular erythema on his nose. The lesion had begun as a small itchy macule seven days earlier. Initially, discoid eczema was diagnosed and he was treated with hydrocortisone butyrate ointment for three days. Although the pruritus improved, the skin rash became more extensive. The patient had no history of preceding injury or insect bite. The household had a cat. On physical examination, an annular erythematous lesion (1 cm ×1 cm) without scaling was observed on the boy’s nose (fig 1).

Fig 1

1 cm × 1 cm infiltrated annular erythema without scaling on …

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