This page was printed on21st July 2018
Inflammatory lesions in acne
Author: Reviewed and updated by Dr Amanda Oakley Dermatologist, Hamilton, New Zealand, and Vanessa Ngan, Staff Writer, February 2014.
Inflammatory lesions in acne include small red bumps (papules), pustules, large red bumps (nodules) and pseudocysts (these are fluctuant nodules). Inflammatory acne lesions are often painful.
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An inflamed lesion usually follows rupture of the wall of a closed comedo. It may also arise from normal-appearing skin.
Inflammation follows immune activation in and around the pilosebaceous unit (hair follicle and oil gland). Factors contributing to inflammation include:
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