Die Ätiopathogenese des Erythema toxicum neonatorum ist bis heute nicht geklärt. In einer Studie aus Spanien wurde dem Exanthem näher auf den Grund gegangen. Screening auf angeborene Herzfehler mittels Pulsoximetrie Angeborene Herzfehler sind in entwickelten Ländern unverändert eine wichtige Ursache der Säuglingssterblichkeit. Wissenschaftler aus Großbritannien haben in der Pulsoximetrie eine zuverlässige Screening-Methode gefunden.

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We performed a descriptive survey of 1,000 consecutive newborns cared for in the first 3 days of life in the health area of Ferrol (in northwest Spain) to assess the prevalence and most-frequent locations of oral cysts and milia and to study the influence of different maternal and neonatal parameters in the development of these lesions. Prevalence of palatal, gingival, and cutaneous cysts was 53.7%, 13.4%, and 16.6%, respectively. Milia were predominantly located on the cheeks, chin, and forehead. We found a frequent association between palatal and gingival cysts but not between oral cysts and milia. Neonatal factors such as sex, weight at birth, and gestational age can significantly influence the development of palatal and gingival cysts.

In 13% of the patients (a large number in absolute terms), when dermatologists consider onychomycosis the most probable diagnosis and plantar desquamation is present, therapy should be started without any further test, as clinical diagnosis is at least as accurate as laboratory tests. In other situations, an optimal management strategy should be defined.

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