11 - Derm - Acne - Lesions of acne + Acne variants + Acne rosea

Question 1

3 types of lesions

Answer 1

open comedones
closed comedones
infl lesions

Question 2

types of inflam lesions

Answer 2

papules/pustules

nodules/cysts

Question 3

papules/pustules - what happens

Answer 3

when closed comodones ruptures - releases infl material into the skin

Question 4

nodules /cysts - occur when? then?

Answer 4

occur when an increased infl response occurs

painful and last longer than pap/pustules

Question 5

following the resolution of inflammatory lesions…2 possibilities

Answer 5

hyper-hypopigmentation (resolves)

scarring - more likely with sev infl lesions

Question 6

3 types of scars

Answer 6

ice pick scars
atrophic scars
hypertrophic/keloid scars

Question 7

aggravating factors

Answer 7

cosmetics and hair products
heat/humidity
excessive washing
squeezing of lesions
steroids/OCP
stress

Question 8

acne variants - 3 (with where? as a feature)

Answer 8

infantile - usually facial, males, spont resolves
steroid acne - mainly trunk
acne fulminans - rare, severe necrotic lesions, syst Sx, and bone cysts/pain

Question 9

acne variants - 5 others

Answer 9

endocrine - secondary to cushings, polycystic ovary disease
acne excoriee - excoriation sign exceeds degree of acne, psychotherapy useful
occupational acne - oils, tar
tropical acne - young caucasians in hot climates
drug ass - isoniazid, corticosteroids, anabolic steroids, androgens, phenytoin

Question 10

Acne rosea - what happens? what about in men?

Answer 10

central facial eruption

papules and pustules, erythema and telangiectasia, rhinophyma in men (nose overgrowth)

Question 11

mgmt of acne rosea

Answer 11

metronidazole, doxycline