Impetigo, non bullous L01.0

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Definition
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Outdated term for a special form of impetigo without blistering.

Pathogen
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Staphylococcus aureus. In rare cases also Staphylococcus pyogenes (serotypes: 1, 4, 12, 25 and 49).

Occurrence/Epidemiology
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About 70% of all cases of impetigo are non-bullous.

Etiopathogenesis
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Often secondary to minor trauma.

Localization
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Especially perinasal and perioral.

Clinical features
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Initially 0,2-0,4 cm large, reddish spots, which quickly turn into blisters or pustules and then immediately burst, resulting in the characteristic honey-yellow crust. Rapid spread into the environment.

Histology
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Intraepidermal blister or pustular formation with surrounding spongiosis. Dense infiltrate of lymphocytes and neutrophils in the upper corium.

Complication(s)
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Infection with Staphylococcus pyogenes can lead to glomerulonephritis.

Therapy
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Depending on the extent, local or systemic antibiosis appropriate to the antibiogram.

Incoming links (1)

Impetigo (overview);

Outgoing links (1)

Impetigo (overview);

Disclaimer

Please ask your physician for a reliable diagnosis. This website is only meant as a reference.

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Last updated on: 29.10.2020