Acne fulminans is an uncommon form of acne that follows a rapidly progressive course and which is associated with systemic findings.


Synonym: acute febrile ulcerative acne


It most commonly occurs in adolescent males.


Dermatologic findings:

(1) There is a sudden appearance of massive inflammatory lesions on the chest and back.

(2) The lesions often ulcerate, then heal with scarring.

(3) The face and neck are usually spared.


Systemic findings:

(1) fever

(2) polyarthralgia

(3) myalgia

(4) leukocytosis (10,000 - 30,000 per µL, with neutrophilia)

(5) elevated ESR and C-reactive protein

(6) proteinuria

(7) bone tenderness with osteolytic bone lesions


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