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Abstract
Test your diagnostic skills in our regular dermatology quiz. What has caused this asymptomatic erythematous patch on a patient’s calf?
Article Extract
Case presentation
A 61-year-old man presents with a new, asymptomatic cutaneous eruption involving his right calf (Figure 1a). He is systemically well, without fever, arthralgia or abdominal pain, and he denies any obvious triggers, such as infectious symptoms, new medications or trauma.