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Article
April 1975

Acne Mechanica

Author Affiliations

From the Department of Dermatology, University of Pennsylvania, School of Medicine, Philadelphia.

Arch Dermatol. 1975;111(4):481-483. doi:10.1001/archderm.1975.01630160071007
Abstract

The term acne mechanica designates local exacerbations due to pressure, friction, rubbing, squeezing, or stretching. Examples are given of various physical traumata that provoke lesions in acne patients. The precipitating causes of stress are diverse, they include articles of clothing (tight straps and belts), recreational accouterments (football shoulder pads), or occupational pressure (rubbing of back in truck drivers).

Sealing acne-bearing skin under adhesive for two weeks regularly induced new inflammatory lesions, which derived from the rupture of microcomedones that are not visible to the naked eye.

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