Abstract
Erythema toxicum neonatorum
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Erythema toxicum neonatorum
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Common (50 % of full-term neonates)
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Begins 24 to 48 hours after delivery, resolves spontaneously within 1 to 5 days (evanescent—changes rapidly)
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Asymptomatic tiny erythematous papules, pustules, and vesicles surrounded by blotchy erythematous flare
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Begins on the face then spreads to proximal extremities, trunk, buttocks (spares palms and soles)
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Scraping of the lesions reveals sheets of eosinophils.
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Differential diagnosis
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Scabies: burrows on palms and soles (spared in erythema toxicum)
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Infantile acropustulosis: occurs later in neonatal period (1–2 years of age); tense pruritic vesicles and pustules on hands and feet
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Transient neonatal pustular melanosis: present at birth, pustules on the head and neck that leave a macular hyperpigmentation, uncommon in Caucasians (more common in blacks)
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Erythema toxicum neonatorum
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Lesions may resemble an urticarial flea bite with 1–3 cm red patches with central 1–2 mm papules or pustules
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© 2016 Springer International Publishing Switzerland
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Gloster, H.M., Gebauer, L.E., Mistur, R.L. (2016). Erythema Toxicum Neonatorum. In: Absolute Dermatology Review. Springer, Cham. https://doi.org/10.1007/978-3-319-03218-4_28
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DOI: https://doi.org/10.1007/978-3-319-03218-4_28
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-03217-7
Online ISBN: 978-3-319-03218-4
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