acne
DESCRIPTION
AcneTRANSCRIPT
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ACNE VULGARIS
Abdul Alraiyes
5/7/08
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ACNE VULGARIS
SELF-LIMITED DISORDER OF PILOSEBACEOUS UNIT
PRIMARILY IN ADOLESCENTS
PLEOMORPHIC VARIETY OF LESIONS- COMEDONES,
PAPULES, PUSTULES, NODULES
GENETIC FACTORS PLAY A ROLE IN ACNE SEVERITY
MEDICATIONS LIKE CORTICOSTEROIDS, ISONIAZID,
PHENYTOIN, LITHIUM, PROGESTINS
CAN CAUSE ACNELIKE LESIONS
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PATHOGENESIS
FOUR KEY ELEMENTS:
FOLLICULAR HYPERKERATINIZATION
SEBUM ACCUMULATION
INFLAMMATION
PRESENCE & ACTIVITY OF Propionibacterium acnes
ANDROGENS PLAY A PIVOTAL ROLE
INCREASE SEBUM PRODUCTION & ENLARGE SEBACEOUS GLANDS
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CLINICAL FEATURES
OPEN & CLOSED COMEDOS, ERYTHEMATOUS
PAPULES, PUSTULES, NODULES, CYSTS &
SCARS
FACE, TRUNK & CHEST
INFLAMATORY & NON-INFLAMMATORY LESIONS
SCARRING IS A COMPLICATION OF BOTH.
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CLINICAL VARIANTS OF ACNE
ACNE
CONGLOBATA: severe, scarring form of
acne where large
nodules and abscesses
become confluent to
form draining sinus
tracts
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ACNE CONGLOBATA
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CLINICAL VARIANTS OF ACNE
ACNE COSMETICA:persistent, low grade form
of acne result from use of
cosmetics, moisturizers,
sunscreens This type of
acne responds particularly
well to the topical
application of tretinoin.
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CLINICAL VARIANTS OF ACNE
ACNE MECHANICA:results from repeated trauma
associated with sports
helmet, shoulder pads, chin
rests of violoins and violas.
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CLINICAL VARIANTS OF ACNE
Acne fulminans : severe, scarring form of acne
with systemic signs and
symptoms of infection and
Leukocytosis.
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CLINICAL VARIANTS OF ACNE
NEONATAL ACNE &
INFANTILE ACNE
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CLINICAL VARIANTS OF ACNE
STERIODS ACNE
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DIFFERENTIAL DIAGNOSIS
FOLLICULITIS :PAPULES, PUSTULES,
NO COMEDOS. USUALLY
AFFECTS TRUNK &
EXTREMITIES
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DIFFERENTIAL DIAGNOSIS
PERIORAL
DERMATITIS: LONG
TERM USE OF TOPICAL
CORTICOSTEROIDS ON
FACE CAN RESULT IN
ACNEIFORM,
ERYTHEMATOUS,
INFLAMED PINK PAPULES
ON CHIN & CHEEKS.
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DIFFERENTIAL DIAGNOSIS
MILIA : WHITE, PINPOINT
EPIDERMAL CYSTS AROUND
EYES
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TREATMENT
TOPICAL THERAPY:
Comedonal acne: Topical retinoids –tretinoin, adaplene, tazarotene
Anti-inflammatory & reduce follicular hyperkeratinization
Inflammatory acne: Topical antibiotics with benzoylperoxide & topical retinoids
Azelaic acid : antimicrobial & comedolytic properties
Salicylic acid
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TREATMENT
SYSTEMIC THERAPY
Antibiotics: A trial of 8-12 weeks is warranted to assess responsiveness.
Doxycycline, minocycline, trimethoprim-sulfamethoxazole
Isotretinoin: Cases of Refractory deep inflammmatory acne vulgaris
Hormonal therapy: OCPs , spironolactone
Intralesional glucocorticoids; deep nodular lesions
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THANKS