Acne necrotica L70.21

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

acne necroticans; acne necrotisans; acne pilaris; folliculitis varioliformis sive necroticans; Military Acné nécrotique; Necrotizing lymphocytic folliculitis; varioliform acne; varioliform folliculitis necroticans

History
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Tree 1910

Definition
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Misleading name for necrotizing lymphocytic folliculitis. There is no relation to acne vulgaris, but it is a special form of pyoderma or folliculits decalvans.

Some authors put acne necrotica synonymously with acne urticata.

Manifestation
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Usually occurring during puberty, more rarely in adulthood.

Note(s)
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The clinical picture is controversial as an entity.

Literature
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  1. Pitney LK et al (2018) Acne necrotica (necrotizing lymphocytic folliculitis): An enigmatic and under-recognised dermatosis. Australas J Dermatol 59:e53-e58.

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