4th Year Acne

Question 1

four pathogenesis changes in acne?

Answer 1

1. poral occlusion
2. bacterial colonisation
3. dermal inflammation
4. increased sebum

Question 2

what bacteria colonises the duct in acne?

Answer 2

propionobacterium acnes

Question 3

grading acne

Answer 3

1. MILD= scattered papules and pustules
2. MODERATE= numerous papules, pustules and mild atrophic scarring
3. SEVERE= as above plus cysts, nodules and significant scarring

Question 4

types of scars

Answer 4

atrophic (shallow or ice-pick)

hypertrophic/ keloid (spreads beyond scar margin)

Question 5

what is acne excoriee?

Answer 5

picking spots causes erosion

Question 6

management of MILD acne

Answer 6

topical treatments e.g. retinoids, benzoyl peroxide, topical antibiotics

Question 7

management of MODERATE acne

Answer 7

dianette

oral antibiotics e.g. erythromycin, oxytetracycline, minocycline (monitor every 3 months)

Question 8

management of SEVERE acne

Answer 8

isotretinoin

Question 9

adverse of isotretinoin

Answer 9

nose bleeds
dont wear contacts
dont wax due to fragle skin
teratogenesis (contraception)
mood alteration (check impulsivity and mental health)
regular review
acne fulminans
PGs
check lipids and LFTs