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A, B: Homemade pictures of a single crusted, ulcerated nodular skin lesion just above the patient's left ankle; it had disappeared spontaneously and entirely, almost 1 year prior to the first neurologic visit. C, D: Homemade pictures taken from our patient showing signs of arthritis (erythema and edema) at her interphalangeal joints; it had appeared circa 1 month after the skin nodule and also remitted completely with no treatment.
