QUEEEEEE Flashcards
Penicillin-induced urticaria - wheals present on examination.
What treatment ?
Antihistamines (allergic manifestation)
If it recurs/persists then prescribe steroids
Clusters of intensely pruritic vesicles and papules + diarrhoea.
Rash is symmetrically located on the extensor surfaces such as elbows, buttocks or shoulders
Dermatitis herpetiformis
Treatment for dermatitis herpetiformis
Dapsone
(antibiotic that reduces pruritic symptoms)
+ gluten free diet obvislyyyy
Lyme disease - what is the name of the rash associated ?
Erythema migrans
BULLSEYE LESION
(Erythema multiforme = triggered by recent illness)
Psoriatic arthritis - what is seen on X-ray ?
Periarticular erosions and joint space narrowing
Genotype most associated with type 1 diabetes
HLA-DR3
Cause of pyogenic granuloma + what is it ?
Microtrauma
Benign, reactive overgrowth of capillary blood vessels caused by microtrauma to the finger
Fluid-filled blisters on the back of his hand which are fragile and rupture easily resulting in erosions.
Hypertrichosis of the malar region of the cheek.
- Rash 2. Hypertrichosis
Diagnosis ?
Porphyria cutanea tarda
Triggers for psoriasis ?
Skin trauma (Koebner phenomenon)
Infection: Streptococcus, HIV
Drugs: B-blockers, Anti-malarials, Lithium, Indomethacin/NSAIDs (BALI)
! Withdrawal of steroids !
Stress
Alcohol + smoking
Cold/dry weather
Dandruff + scaly red patches with associated flaking =
Seborrhoeic dermatitis
(reaction to yeast in skin - affects areas with lots of sebaceous glands)
Treatment for seborrhoeic dermatitis
Topical antifungals + antifungal body wash
Topical corticosteroids if symptoms are particularly severe
Eczema treatment
Emollients with/without steroids
(Hydromol cream and topical clobetasone butyrate 0.05%)
Strawberry tongue + sandpaper rash
Scarlet Fever
Lichen planus features ?
6 Ps:
Purple
Pruritic
Polygonal (multiple sides)
Planar (flat-topped)
Papules or
Plaques
Treatment for lichen planus with oral involvement
Potent topical steroids + benzydamine mouthwash
Rapidly growing nodule with central crusted depression
- develops from hair follicles in skin exposed to the sun
Keratoacanthoma
can be clinically indistinguishable from squamous cell carcinoma
Keratoacanthoma first line treatment
Surgical excision
- indistinguishable from SCC so better to remove
Cause of alopecia associated with chemotherapy
Anagen effluvium
Rash becomes more obvious on holiday as lesions don’t tan
Pityriasis versicolor
a.k.a. tinea versicolor
Treatment for pityriasis versicolor ?
Topical ketoconazole
(antifungal)
Rough patch on sun-exposed skin
Can be a white, scaly plaque or just a discoloured rough patch
Actinic keratosis
- pre-cursor to SCC which presents as a raised lesion prone to ulceration/bleeding
Treatment for molluscum contagiosum ?
Watch and wait - conservative management is best
Allergic contact dermatitis - which white blood cell is associated ?
T lymphocytes
- cause a delayed type IV hypersensitivity reaction
Does basal cell carcinoma require urgent referral ?
No
unless it’s in a concerning area e.g. eyelids , or it’s notably large
