Acne Flashcards
Acne vulgaris is a common skin disorder which usually occurs in adolescence. It typically affects
the face, neck and upper trunk
Acne vulgaris pathophysiology
the obstruction of the pilosebaceous follicle with keratin plugs which results in comedones, inflammation and pustules.
Acne vulgaris Epidemiology?
affects around 80-90% of teenagers, 60% of whom seek medical advice
acne may also persist beyond adolescence, with 10-15% of females and 5% of males over 25 years old being affected
Activity of sebaceous glands may be controlled by
androgen
acne vulgaris has colonisation by which bacteria?
anaerobic bacterium Propionibacterium acnes
Androgen levels are high in patients with acne vulgaris
false
levels are often normal in patients with acne
Acne is a disease of which part of the skin?
pilosebaceous unit
Comedones are due to a
dilated sebaceous follicle
Comedones:
if the top is closed ? is seen
if the top opens ? forms
if the top is closed a whitehead is seen
if the top opens a blackhead forms
In acne vulgaris Inflammatory lesions form when?
follicle bursts releasing irritants - papules and pustule formation
An excessive inflammatory response may result in: nodules, cysts
What type of scars do you get in acne vulgaris?
ice-pick scars
hypertrophic scars
Drug induced acne is associated with which drug
steroid use
Drug induced acne is monomorphic/polymorphic
monomorphic
What is acne fulminans?
very severe acne associated with systemic upset (e.g. fever).
acne fulminans mx?
Hospital admission is often required and the condition usually responds to oral steroids
Mild acne vulgaris?
mild: open and closed comedones with or without sparse inflammatory lesions
Moderate acne vulgaris?
moderate acne: widespread non-inflammatory lesions and numerous papules and pustules
Severe acne vulgaris?
severe acne: extensive inflammatory lesions, which may include nodules, pitting, and scarring
A simple step-up management scheme often used in the treatment of acne - describe
Single topical therapy
Topical combination therapy
Oral antibiotics/COCP
Oral Isotretinoin
Diet is useful in controlling acne
false
There is no role for dietary modification in patients with acne.