The Evolution of the Comedo

  • Gerd Plewig
  • Albert M. Kligman


The comedo is the initial, primary lesion of acne. It is an impaction of horn within sebaceous follicles. Comedones develop through the following stages.


Sebaceous 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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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • Gerd Plewig
    • 1
  • Albert M. Kligman
    • 2
  1. 1.Dermatologische Klinik und PoliklinikUniversität MünchenMünchen 2Germany
  2. 2.School of MedicineUniversity of PennsylvaniaPhiladelphiaUSA

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