While acne primarily affects adolescents, it may also affect adults. There are several phenotypes, one of which is Papulopustular Postadolescent Acne (PPAA).
Clinical features of PPAA:
(1) The lesions are primarily on the lower face, jaw and neck.
(2) The patient has mild-to-moderate inflammatory lesions, primarily deep-seated, tender papules, pustules and nodules.
(3) Comedones are not a prominent component.
(4) Significant scarring may occur.
PPAA may be classified as persistent (continuation of adolescent acne) or late-onset.
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