Eczema and Psoriasis Flashcards
(22 cards)
What is the most common type of eczema?
Atopic eczema
What is pityriasis alba?
Post-Inflammatory hypo pigmentation which may be seen in chronic eczema, especially in people with darker skin
If a patient presents with episodic, very itchy blistering especially affecting their hands, what diagnosis would you suspect?
Pompholyx eczema
Which type of eczema gives a ‘cobblestone appearance’?
Lichen amyloid
Which organism typically causes infection in eczema? How is it treated?
Staphylococcus aureus - Treat with flucloxacillin
What is the 5-step process for treating eczema?
1) Emollients
2) Topical anti-inflammatories
3) Phototherapy
4) Systemic agents
5) Others
What drug is Protopic?
Tacrolimus
Put these steroid creams in order of potency:
- Eumovate
- Dermovate
- Hydrocortisone
- Betnovate
Dermovate > Betnovate > Eumovate > Hydrocortisone
What are the two types of contact dermatitis?
Irritant
Allergic
Which cells undergo hyper proliferation in psoriasis?
Keratinocytes
What is the incidence of psoriasis?
2%
List some triggers (other than a genetic predisposition) to development of psoriasis
Infection Psychological stressor Trauma Drugs (especially steroids) Sunburn HIV
True / False: Psoriasis affects men more than women
False - The ratio between genders is the same
What is the typical distribution of psoriasis?
Extensor surfaces (although not exclusively!)
Where does localised pustular psoriasis typically distribute?
Palms and soles of feet
What is the step-wise approach for treatment of psoriasis?
1) Emollients
2) Topical agents e.g Vitamin D, Tar, steroids, Dithranol
3) Phototherapy (PUVA, UVB)
4) Systemic agents e.g. Retinoids, Fumaric acid, hydroxycarbamide, immunosuppression (methotrexate and cyclosporin)
5) Biological agents e.g. infliximab, etenercept, adalimumab
Can you use oral steroids in psoriasis?
No - Only topical steroids are used
What is Koebnerisation?
When psoriasis occurs at the site of a scar
What diagnosis might you suspect in someone with ‘teardrop’ shaped papules?
Guttate psoriasis
What diagnosis might you suspect in someone with erythematous, oval lesions in a ‘fir tree’ distribution?
Pityriasis rosea
Patients with HIV or Parkinson’s are at increased risk of which inflammatory skin condition?
Sebhorroeic dermatitis
What is the inheritance pattern of hereditary haemorrhage telangiectasia?
Autosomal dominant
