Dermatology

Question 1

Rosacea presentation and typical tx

Answer 1

Dry skin with intermittent facial flushing with pustulent rash around nose, erythema affecting nasolabial folds ….topical metrondiazole

Question 2

Bullous impetigo

Answer 2

flaccid bullae which leak straw-coloured fluid (staph. aureus) vs Bullous pemphigoid (multiple tense blisters)

Question 3

Lichen planus presentation and treatment

Answer 3

Shiny red papules on flexor surfaces with white streaks. Possible lesions in mouth. Tx topical corticosteroids and steroid mouthwash

Question 4

Which medication worsens psoriasis?

Answer 4

Beta blockers

Question 5

Common Bacterial Skin Conditions and their causative organisms

Answer 5

Question 6

Common Viral Skin Conditions and their causative organisms

Answer 6

Question 7

Common fungal skin infection and their causative organisms

Answer 7

Question 8

Causative organisms most commonly causing erysipelas, cellulitis and nec fasc

Answer 8

Question 9

Difference erysipela, cellulitis and nec fasc

Answer 9

Question 10

Erysipelas presentation and treatment

Answer 10

Tx: penicillin 14 days

Question 11

Cellulitis

Answer 11

Fluclox PO or if systemically unwell, fluclox IV

Question 13

Treatment of BCC

Answer 13

Large-ulcerated BCC -> surgical excision

Cryotherapy -> small, low-risk BCCs

Fluorouracil cream -> superficial BCC on the trunks and limbs

Imiquimod -> immune modulator, small, low risk BCC

Question 14

birch fruit syndrome tx

Answer 14

oral cetirizine (anti-histamine)

Question 15

arterial vs venous ulcers

Answer 15

Question 16

What is necrobiosis lipoidica diabeticorum?

Answer 16

Enlarging red-brown lesions over the shins which become atrophic with a yellowing centre over time

Question 17

treatment for rosacea

Answer 17

avoid drinking alcohol

others: azelaic acid, oral ivermectin, brimonidine, doxycyline and isoretinoin