title: [Paroxysmal acne].
abstract: Contrasting with the chronic evolution of acne vulgar, other types of acne are characterized by paroxysmal outbreaks. They can be endogenous or exogenous in origin. Each of these two groups can be further divided into separate entities.
authors.affiliation: CHR hutois, Service de Dermatologie, Huy.
authors.forename: C
authors.initials: C
authors.lastname: Flagothier
authors.forename: C
authors.initials: C
authors.lastname: Piérard-Franchimont
authors.forename: G E
authors.initials: GE
authors.lastname: Piérard
mesh_terms: D000152:Acne Vulgaris / Q000209:etiology / Q000473:pathology*; D000208:Acute Disease; D002908:Chronic Disease; D006801:Humans; D010507:Periodicity