acne queloideo

Diagnosis: acne queloideo

Case submitted by Humberto Cantu Garza to the dermRounds community.

Clinical Presentation

Clinical photograph(s) submitted for peer review and discussion.

Clinical History

Submitted by Humberto Cantu Garza. Originally posted October 21, 2012.

Treatment

See case discussion.

Differential Diagnosis

• Rosacea • Perioral dermatitis • Folliculitis (bacterial, fungal/pityrosporum) • Demodex folliculorum infestation • Drug-induced acneiform eruption • Keratosis pilaris

Key Learnings

• Multifactorial pathogenesis: follicular hyperkeratinization, excess sebum, C. acnes, inflammation • Isotretinoin is the only therapy that targets all four pathogenic factors • Post-inflammatory hyperpigmentation more common and persistent in skin of color • Avoid unnecessary antibiotics — limit courses to 3-4 months and combine with benzoyl peroxide

Tags: acne, queloideo, humberto cantu garza