Derm Flashcards
What condition is Dermatitis herpetiformis associated with?
Caeliac
IgA depositions on the dermis ( same antibody)
How to describe a dermatitis herpetiformis rash?
extensor surfaces
itchy
vesicular lesions
What test is diagnostic for optic neuritis?
MRI of brain and orbits with gadolinium contrast
What is first line treatment for rosacea with severe papules?
Oral doxy and topical ivermectin
What is the treatment for patients with rosacea that have flushing?
topical brimonidine gel
After what infection do you typically see guttate psoriasis?
streptococcal infection 2-4 weeks prior
How does pityriasis versicolour present?
hypopigmentation in seborrheic areas
What is the treatment for pityriasis versicolour?
Ketoconazole shampoo
How to describe Molloscum lesions?
characteristic pinkish or pearly white papules with a central umbilication
What is 1st line treatment for actinic keratosis?
fluorouracil cream
What is the difference between bullous pemphigoid and pemphigus vulgaris?
Bullous has no mucosal involvement
How to describe seborrheic keratoses?
- colour of skin is different to flesh
- stuck on appearance
What is the difference between lichen sclerosus and lichen planus?
Sclerosus are white itchy patches
Planus are red itchy raised lesions
What is this ‘round, raised, flesh coloured lesion which is 3mm in diameter and has a central depression’ describing?
BCC
Management of chronic plaque psoriasis
1st line- Topical potent corticosteroids 1ce a day + vitamin D analgue 1ce
trial for 8 weeks
2nd line - Vitamin D analogue 3ce
3rd line- potent corticosteroid applied twice daily for up to 4 weeks
What antibiotic is used in the treatment of acne vulgaris in pregnant/breastfeeding women?
Erythromycin
What does this describe :
comedones, erythema, papules, pustules, and nodules.
Acne Vulgaris
What is the management for cellulitis in pregnancy if patient is penicillin allergic?
Erythromycin
silver burrows present in the inter-digital folds and intensely pruritic rash which is worse at night
scabies
What type of melanoma present in areas that are usually not exposed to sun?
Acral lentiginous melanoma
What does ‘ tear drop papules on limbs and trunk’. describe?
guttate psoariasis
’ small red sores or blisters’
‘honey coloured crust’
non- bullous impetigo
What is used to treat Non-bullous impetigo?
hydrogen peroxide 1% cream
How soon after treatment commencing can a child go back to school with impetigo?
48 hours
when the lesions crust over
Features of Bowens disease
- located in sun exposed area
-red - scally
- 10-15mm
- slow growing
What is the most aggressive subtype of melanoma?
Nodular
For how long should topical steroids be applied in psoriasis?
4 weeks and check
