Taking the “Worm” Out of Ringworm: A Different Annular Rash in Children

A 3-year-old girl presented with a skin nodule of unclear duration. On history, her mother mentioned persistent “ringworm” that had been present for a couple years and tended to flare during the summer months. All lesions were asymptomatic. Past treatments had included intermittent use of hydrocortisone and topical antifungal creams, without consistent response. Examination revealed a firm, mobile subcutaneous nodule of the anterior lower leg (Figure 1A), and annular mildly erythematous non-scaly plaques on the dorsal left ankle (Figure 1B) and dorsal right foot (Figure 1C).

source https://www.jpeds.com/article/S0022-3476(23)00345-1/fulltext?rss=yes