How is comedonal acne vulgaris characterized?

Updated: Oct 08, 2019
  • Author: Jaggi Rao, MD, FRCPC; Chief Editor: William D James, MD  more...
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Answer

In comedonal acne, patients develop open and closed comedones but may not develop inflammatory papules or nodules.

See the image below.

Acne, grade I; multiple open comedones. Acne, grade I; multiple open comedones.

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