Dystrophic cutaneous calcification may arise at sites of local trauma or in association with various disorders. Calcified nodules of the heel have been reported in high-risk neonates following repeated heel sticks to draw blood. We present a healthy 2-year-old boy with a calcified nodule on the heel secondary to a single heel stick in the neonatal period. The patient was born full-term at 38 weeks' gestation, with a birth weight appropriate for gestational age. A firm nodule was noticed at the age of 8 months; this became tender. Histology revealed epidermal and subepidermal deposition of calcium. Serum calcium and phosphate levels were normal. Although calcified heel nodules occur mostly in high-risk neonates, this case suggests that this condition also can occur in healthy children after only a single heel stick. Dermatologists should include this entity in the differential diagnosis of warty papules on the heels of children.
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