The comedo is the initial, primary lesion of acne. It is an impaction of horn within sebaceous follicles. Comedones develop through the following stages.
KeywordsSebaceous Follicle Propionibacterium Acne Firm Nodule Concentric Lamella Solid Appearance
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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© Springer-Verlag Berlin Heidelberg 1993