Mrs AA, female, 27 years of age and of Middle Eastern descent, presented with a 1 year history of nonpruritic facial plaques. On examination, these plaques were 0.2–1.0 cm, scaly, atrophic, annular, hyperpigmented and located on her forehead, nose, chin and adjacent to her lips (Figure 1). She was otherwise well apart from iron deficiency anaemia treated with ferrous sulphate and recurrent headaches treated with paracetamol. She had completed a course of cephalexin 2 months before for a urinary tract infection. She had not taken any other medications in the preceding 12 months. Mrs AA had no family history of skin disorders.
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