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SCC
first line tx of keloid scarring
intralesional steroids
predisposing factors to keloid scars
dark skin
young adults, rare in elderly
common sites: sternum, shoulder, neck, face, extensor surface of limbs, trunk
mng of rosacea
simple measures
- Avoid triggers
- recommend daily application of a high-factor sunscreen
-camouflage creams, green tinted foundation may help conceal redness
predominant erythema/flushing
-topical brimonidine gel may be considered for patients with predominant flushing but limited telangiectasia
brimonidine is a topical alpha-adrenergic agonist
this can be used on an ‘as required basis’ to temporarily reduce redness
it typically reduces redness within 30 minutes, reaching peak action at 3-6 hours, after which the redness returns to the baseline
mild-to-moderate papules and/or pustules
topical ivermectin is first-line
alternatives include: topical metronidazole or topical azelaic acid
moderate-to-severe papules and/or pustules
combination of topical ivermectin + oral doxycycline
differentials for rosacea
Acne, periorificial dermatitis, seborrhoeic dermatitis, facial keratosis pilaris, cutaneous SLE
presentation of pityriasis versicolor
Light patches on the trunk which can be mildly pruritic
what is pityriasis veriscolor
superficial cutaneous fungal infection caused by Malassezia furfur (formerly termed Pityrosporum ovale)
features lichen planus
pruritic, polygonal, violaceous papules and plaques which often affect the flexor surfaces of the forearms.
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lichen planus
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lichen planus
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lichen planus
when treating acne with abx, keep in mind
Abx should NOT be used as monotherapy
immediate first aid mng burns
Immediate first aid
airway, breathing, circulation
burns caused by heat: remove the person from the source. Within 20 minutes of the injury irrigate the burn with cool (not iced) water for between 10 and 30 minutes. Cover the burn using cling film, layered, rather than wrapped around a limb
electrical burns: switch off power supply, remove the person from the source
chemical burns: brush any powder off then irrigate with water. Attempts to neutralise the chemical are not recommended
mng of urticaria
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paeds new onset purpura - next step?
referred immediately for investigations to exclude ALL and meningococcal disease
presentation of lichen sclerosis
itchy white spots typically seen on the vulva of elderly women
hirtutism vs hypertrichosis
Hirsutism is often used to describe androgen-dependent hair growth in women, with hypertrichosis being used for androgen-independent hair growth
causes of hirtuism
Polycystic ovarian syndrome is the most common causes of hirsutism. Other causes include:
Cushing’s syndrome
congenital adrenal hyperplasia
androgen therapy
obesity: thought to be due to insulin resistance
adrenal tumour
androgen secreting ovarian tumour
drugs: phenytoin, corticosteroids
Causes of hypertrichosis
drugs: minoxidil, ciclosporin, diazoxide
congenital hypertrichosis lanuginosa, congenital hypertrichosis terminalis
porphyria cutanea tarda
anorexia nervosa