Dermatology

Question 1

Steriod ladder mnemonic

Answer 1

Help Every Budding Dermatology

Question 2

state Steriod ladder - from weakest to most potent

Answer 2

Mild: Hydrocortisone 0.5%, 1% and 2.5%
Moderate: Eumovate (clobetasone butyrate 0.05%)
Potent: Betnovate (betamethasone 0.1%)
Very potent: Dermovate (clobetasol propionate 0.05%)

Question 3

Dry patches on extensor surfaces of the elbows and knees and on the scalp, possible Dx

Answer 3

Psoriasis

Question 4

Types of Psoriasis

Answer 4

Plaque psoriasis
Guttate psoriasis
Pustular psoriasis
Erythrodermic psoriasis

Question 5

specific signs suggestive of psoriasis

Answer 5

Auspitz sign refers to small points of bleeding when plaques are scraped off

Koebner phenomenon refers to the development of psoriatic lesions to areas of skin affected by trauma

Residual pigmentation of the skin after the lesions resolve

Question 6

Management of Psoriasis

Answer 6

Topical steroids
Topical vitamin D analogues (calcipotriol)
Topical dithranol
Topical calcineurin inhibitors (tacrolimus) are usually only used in adults
Phototherapy with narrow band ultraviolet B light is particularly useful in extensive guttate psoriasis