Overview
What is erythema toxicum neonatorum (ETN)?
What is the pathophysiology of erythema toxicum neonatorum (ETN)?
What causes erythema toxicum neonatorum (ETN)?
What are the risk factors for erythema toxicum neonatorum (ETN)?
What is the prevalence of erythema toxicum neonatorum (ETN) in the US?
What is the global prevalence of erythema toxicum neonatorum (ETN)?
What are the racial predilections of erythema toxicum neonatorum (ETN)?
What are the sexual predilections of erythema toxicum neonatorum (ETN)?
What is the prevalence of erythema toxicum neonatorum (ETN) by age?
What is the prognosis of erythema toxicum neonatorum (ETN)?
What should be included in patient education about erythema toxicum neonatorum (ETN)?
Presentation
Which clinical history findings are characteristic of erythema toxicum neonatorum (ETN)?
What is included in the physical exam for evaluation of erythema toxicum neonatorum (ETN)?
Which physical findings are characteristic of erythema toxicum neonatorum (ETN)?
What are the possible complications of erythema toxicum neonatorum (ETN)?
DDX
What are the differential diagnoses for Erythema Toxicum Neonatorum?
Workup
What is the role of lab testing in the workup of erythema toxicum neonatorum (ETN)?
What is the role of cultures in the workup of erythema toxicum neonatorum (ETN)?
How is candidiasis excluded in the workup of erythema toxicum neonatorum (ETN)?
What is the role of skin biopsy in the workup of erythema toxicum neonatorum (ETN)?
Which histologic findings are characteristic of erythema toxicum neonatorum (ETN)?
Treatment
How is erythema toxicum neonatorum (ETN) treated?
What is included in long-term monitoring of erythema toxicum neonatorum (ETN)?
Medications
What is the role of medications in the treatment of erythema toxicum neonatorum (ETN)?
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A 5-day-old newborn with erythematous papules with surrounding indistinct blotchy erythema visible on the abdomen. Image courtesy of Jining I. Wang, MD.
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Yellow pustules, some with evidence of rupture, in a full-term infant at 6 hours of life.
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Erythematous blotchy patches localized to the trunk in a neonate.
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A Wright-Giemsa stain performed on the contents of a ruptured pustule reveal numerous eosinophils.