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Comprehensive Guide to Acne Diagnosis and Treatment

This resource provides an overview of acne, affecting up to 85% of teenagers and often persisting into adulthood. It discusses lesion definitions and classifications, including mild to severe types, and emphasizes topical and systemic therapies. Notably, Propionibacterium acnes is implicated in its pathogenesis. We delve into the physical examination findings, including open and closed comedones, papules, pustules, nodules, and cysts, as well as an illustrative case study involving an 18-year-old female preparing for college.

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Comprehensive Guide to Acne Diagnosis and Treatment

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    1. ACNE: Diagnosis and Treatment Frene’ LaCour-Chestnut, MD

    2. Objectives: Definition of lesions Classification of acne Topical therapy Systemic therapy

    3. Acne Affects up to 85% of teens Often continues into adulthood Approx 10% of patients present for tx at 35-44 yo Cost: >$1 billion/yr and >$100million in OTC therapy Pathogen Propionibacterium acne Proliferates in obstructed follicle duct and causes inflammatory response Diagnosis based on history and physical exam

    4. Physical Exam Lesions Open comedones (blackheads) Closed comedones (whiteheads) Papules Pustules Nodules Cysts Located on face, chest, back, upper arms

    5. Classification Severity Mild: few/several papules and pustules but NO nodules Moderate: several/many papules & pustules and few nodules Severe: numerous/extensive papules & pustules and many nodules Type Comedonal Papulopustular Nodulocystic Pustules & cysts indicates inflammatory acne

    6. Joanna Smith CC: acne HPI: 18 yo female who recently graduated from HS and comes to your office before starting college because she wants her skin to clear up before rush in 8 weeks Define the lesions you see and classify her acne?

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