PASSMED CONDITIONS

Question 1

What is erythema ab igne?

Answer 1

-skin disorder caused by over exposure to infrared radiation.
-reticulated, erythematous patches with hyperpigmentation and telangiectasia.
- typical history would be an elderly women who always sits next to an open fire.
-untreated may go on to develop SCC

Question 2

Features of rosacea?

Answer 2

typically affects nose, cheeks and forehead
flushing is often first symptom
telangiectasia are common
later develops into persistent erythema with papules and pustules
rhinophyma
ocular involvement: blepharitis
sunlight may exacerbate symptoms/

Question 3

Management of rosacea?

Answer 3

-topical metronidazole may be used for mild symptoms (i.e. Limited number of papules and pustules, no plaques)
-topical brimonidine gel may be considered for patients with predominant flushing but limited telangiectasia
-more severe disease is treated with systemic antibiotics e.g. Oxytetracycline
-recommend daily application of a high-factor sunscreen
-camouflage creams may help conceal redness
-laser therapy may be appropriate for patients with prominent telangiectasia
-patients with a rhinophyma should be referred to dermatology

Question 4

Features of cherry haemangioma?

Answer 4

-erythematous, papular lesions
-typically 1-3 mm in size
-non-blanching
-not found on the mucous membranes

Question 5

Causes of acantosis nigrans?

Answer 5

type 2 diabetes mellitus
gastrointestinal cancer
obesity
polycystic ovarian syndrome
acromegaly
Cushing’s disease
hypothyroidism
familial
Prader-Willi syndrome
drugs:
-combined oral contraceptive pill
-nicotinic acid