eMediNexus, 17-09-2020

Which of the following statements are true?
  •    Acne vulgaris is uncommon in teenagers and usually presents among adults and the elderly.
  •    Acne vulgaris almost always, only affects the face.
  •    The pathogenesis of acne vulgaris involves alteration of keratinization within the pilosebaceous unit resulting in comedone formation-increased sebum production, proliferation of Propionibacterium acnes and production of perifollicular inflammation.
  •    Acne scars can result from a physiological wound healing response to cutaneous inflammation, with normal inflammatory cell infiltrates even in atrophic scars.

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