Image of the Week: A grueling walk to school

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The crateriform pitting on the plantar surfaces of this patient's feet is characteristic of pitted keratolysis, a cutaneous bacterial infection that can occur in conditions of hyperhidrosis, increased skin surface pH, or prolonged occlusion. Pitted keratolysis can be diagnosed clinically and treated with 20% aluminum chloride or topical antibiotics. Learn more about this case and join the conversation on Figure 1.


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