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AB 4th Year Ageing + Derm > Derm - Chronic Conditions > Flashcards

Derm - Chronic Conditions Flashcards

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Dermatology Board Prep flashcards
1
Q

risk factors for acne?

A 
teenagers
FHx
diet
sweat
stress
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2
Q

features of acne?

A 
open comedomes (blackheads)
closed comedomes (whiteheads)
pustules
papules
cysts
nodules
macules
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3
Q

what causes acne?

A

pores are blocked

colonisation of pilosebaceous unit by proponiobacterium acnes

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4
Q

what makes acne be graded as severe?

A

cysts
nodules
scarring

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5
Q

Tx for mild acne?

A

benzoyl peroxide

retinoids (avoid in pregnancy)

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6
Q

Tx for mod acne?

A

topical therapy
oral clindamycin/erythro/tetracycline
COCP

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7
Q

Tx for severe acne? side effects?

A

isotretonoin

dry skin
skin fragility 
teratogenic
mood alteration
deranged LFTs
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8
Q

what are often triggers for rosacea?

A

UV
alcohol
spicy food

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9
Q

features of rosacea?

A

papules
pustules
erythema
nose, chin and forehead

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10
Q

Tx for rosacea?

A

avoid triggers
topical metronidzole
isotretonoin

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11
Q

what causes psoriasis?

A

hyperproliferation of epidermis

due to increased number of cells entering from the basal layer

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12
Q

histology of psoriasis?

A

absent granular layer
expanded prickle layer
large capillary vessels

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13
Q

features of chronic plaque psoriasis?

A

erythematous well demarcated scaly plaques
extensors
silver scale

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14
Q

what is auspitz sign?

A

removal of scale causes bleeding

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15
Q

what is the koebner phenomenon?

A

excoriations/trauma causes lesions to develop

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16
Q

features of guttate psoriasis?

A

raindrop pattern
post strep throat
trunk
young (15-25yrs)

17
Q

where else can people get psoriasis?

A

palmoplantar
flexural
groin/axilla/inframammary

18
Q

what are the nail signs in psoriasis?

A

subungal hyperkeratosis
oncholysis
nail pitting

19
Q

Tx for psoriasis?

A

emolients
vit D analogues + steroids
coal tar
dithranol

phototherapy
systemic therapy

20
Q

what can be used for systemic therapy in psoriasis?

A

MTX
ciclosporin
retinoids

21
Q

what type of arthritis do those with psoriasis get?

A

symmetrical oligoarthritis

22
Q

Tx of vitiligo?

A

steroids
phototherapy
camouflage

23
Q

features of alopecia?

A

well defined
patchy
exclamation hair marks (short bits)

24
Q

features of seborrhoeic dermatitis?

A 
eyebrows
nasolabial folds
chest 
scaly 
greasy
red itchy
25
Q

Tx for seborrhoeic dermatitis?

A

emollients
steroids
ketoconazole

AB 4th Year Ageing + Derm (11 decks)

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