Acne mechanica L70.84

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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History
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Kligman and Mills, 1975

Definition
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Acne vulgaris aggravated by mechanical factors, similar to the mechanism in acne excoriée des jeunes filles, s.a. Acne tropical.

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Etiopathogenesis
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Mostly patients with seborrhoea and acne tendency. Inflammation of comedones, especially microcomedones due to mechanical irritation, here especially rubbing stimuli, see Table 1.

Localization
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Depending on the triggering cause, different body regions are preferred.

Clinical features
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Follicular keratoses with perifollicular inflammation, perifolliculitis.

Therapy
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Patient education, avoiding abrasive, tight-fitting clothing. External or possibly internal therapy according to Acne vulgaris.

Tables
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Cause of acne mechanica in the different parts of the body

Localization

Cause

Cervical region

Shirt or turtleneck, violin

Shoulders

straps of backpacks, clothing, loads, plaster casts

Back

chair backs, car seat, corset or bodice, rucksack, plaster

Breast

Protective clothing, bandages

Buttocks

Chair, car seat

Face

Supporting the hands, chinstrap, helmet, browband or hatband

Literature
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  1. Mills OH, Kligman AM (1975) Acne mechanica. Arch Dermatol 111: 481-483
  2. Strauss RM, Harrington CI (2001) Stump acne: a new variant of acne mechanica and a cause of immobility. Br J Dermatol 144: 647-648

Incoming links (2)

Acne tropical; Geiger knot;

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