acneiforms eruptions Flashcards
true or false:
mild acne is the cause of inflamatation
false
its non-inflammatory
what is the range of comedones and inflammatory lesions in mild acne?
<20 comedonens
<15 inflam lesions
what are closed comedones?
whiteheads
what are open comedones?
blackheads
what are the inflammatory lesions in moderate acne?
papules, pustules, nodules and cysts
what are the range of comedones and inflammatory lesions?
20–100comedones
15–50inflammatorylesions
what is the total comedones and inflammatory count in severe acne?
Totalcomedocount >100
Totalinflammatorycount >50
what is the most severe form of cystic acne?
Fulminans
what is Fulminans characterised by?
abrupt onset of nodular and suppurative acne with systemic manifestations
what are the types of drugs that induce acne?
Can be seen as a side effect of numerous medications (anabolic steroids, corticosteroids, phenytoin, lithium)
what is acne excoriee?
Papules and comedones are neurotically excoriated leaving crusted lesions that may scar.
what are treatments for acne?
topical retinoids
Benzoyl Peroxide
topicalantibiotics (Clindamycin/Erythromycin)
azelaic acid
antibiotic tablets ( Lymecycline, Tetracyclin)
in women, thecombined oral contraceptive pill
isotretinoin tablets
what is the pathogenesis in Rosacea?
Causes remain uncertain.
In contrast to acne vulgaris, rosacea is not associated with seborrhoea
Damage to dermal connective tissue (radiation)?
Abnormal vascular reactivity?
Sensitivity to noxious stimuli is increased
Increased number of demodex folliculorum
what are some clinical features to rosacea?
Polimorphic disease with several variants
Affects central convex areas of the face (nose, forehead, cheeks, chin)
Onset marked by vascular changes, notably episodic flushing with no sweating.
Erythema with burning sensation is easily triggered by minor irritants. (stress, hot drinks, alcohol,spices)
Papules and pustules in more advanced cases, WITHOUT COMEDONES
Persistent tissue thickening due to oedema, fibrosis and glandular hyperplasia.
what are symptoms of vascular rosacea?
Recurrent Blush
Telangiectasias begin to form, initially in the nasal area
what are the symptoms of inflammatory rosacea?
Small papules and pustules to occasional deep cystic nodules.
Absence of comedones
Deeper red colour when compared to acne
Soft or solid facial oedema
what are the symptoms of phymatous rosacea?
Overgrowth of sebaceous glands
Skin becomes swollen and smoother. Pores become more apparent
Gradually, a lumpy surface develops.
what are symptoms of ocular rosacea?
sensation of dryness or tired eyes to edema, tearing, pain, chalazia and corneal damage.
what is treatment of rosacea?
Can be difficult to treat
Avoidance of obvious vasodilators and irritants
Metronidazole cream or gel is a major topical therapy
azelaic acid cream or gel
ivermectin cream
Tetracyclines are the most prescribed oral medications
Surgery for rhinophymas
