Dermatology

Question 1

White, atrophic papules on the glans and prepuce of a male, associated with pruritus and scarring of the urethral meatus… DX?

Answer 1

Lichen sclerosus

Question 2

Next best step in dx with Lichen sclerosus

Answer 2

Biopsy of lesion - (lichen sclerosus are at increased risk of developing squamous cell carcinoma)

Question 3

Tx of Lichen sclerosus

Answer 3

highly potent topical steroids such as clobetasol.

Question 4

Underlying mechanism of acute kidney injury (AKI) in Acyclovir treatment

Answer 4

Tubular obstruction due to crystals is the underlying mechanism of crystal-induced acute kidney injury (AKI). Acyclovir has a low urine solubility and can precipitate within the renal tubules, causing tubular toxicity and obstruction

Question 5

1st line tx for 1st degree burns

Answer 5

Topical moisturizers, such as those that contain aloe vera or calamine, are recommended to relieve symptoms of 1st-degree burns.

Question 6

First line therapy for Bullous Pemphigoid

Answer 6

High potency topical glucocorticoid (e.g. Clobetasol)

Question 7

Acute, diffuse non inflammatory hairloss, scalp and hair fibres appear normal and hair shaft easily pulled out (hair pull test)… Dx?

Answer 7

Telogen efflovium

Question 8

First and second line treatment for Tinea corporis

Answer 8

1st line topical antifungals - (clotrimalozole, terbinafine)
2nd line oral antifungals- (terbinafine, griseofulvin)

Question 9

Pustular comedones (Acne).. next best step

Answer 9

Topical retinoic acid