Acne

Question 1

Peak age acne - Females

Answer 1

14-17

Question 2

Peak age acne - Males

Answer 2

16-19

Question 3

Individuals more at risk of acne

Answer 3

PCOS

XXY

Question 4

What is most acne caused by?

Answer 4

Dead skin cells that are already inside your hair follicles becoming stuck in oil travelling up towards surface

Question 5

What type of bacteria is P.acnes

Answer 5

Gram +ve rod

Question 6

What is a closed comedone

Answer 6

White head

Question 7

Appearance closed comedone

Answer 7

No visible opening to skin surface

Male, slightly elevated small papules

Question 8

What is an open comedone

Answer 8

Blackhead

Distended pilosebaceous unit w/ dilated orifice impacted w/ keratin + lipid

Question 9

Why are closed comedones dark?

Answer 9

Oxidation melanin

Question 10

How long do papules last for

Answer 10

1-2w

Question 11

What is a pustule

Answer 11

<5mm

Contains pus

Question 12

What are nodules due to?

Answer 12

XS inflammatory response in surrounding dermis

Question 13

Which type of acne do abscesses tend to be unique to>

Answer 13

Acne conglobata

Question 14

Examples of post inflammatory changes to papules and pustules

Answer 14

Erythematous macules
Hyperpigmentation
Hypopigmented macules

Question 15

What is scarring associated with the loss of ?

Answer 15

Collagen

Question 16

Who is affected by acne fulminans?

Answer 16

Adolescent males

Question 17

What part of the body does acne fulminans affect?

Answer 17

Trunk

Question 18

Systemic Sx Acne fulminans (5)

Answer 18

Fluctuating fever 
Painful joints 
Malaise 
Loss W/appetite 
HSmegaly