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finals > dermatology > Flashcards

dermatology Flashcards

1
Q

what nail changes are seen in psoriasis

A

oncholysis

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2
Q

what is acanthosis nigricans associated with

A

hyperinsulinaemia states
e.g. PCOS

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3
Q

what is oncholysis

A

separation of the nail form the nail bed

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4
Q

management of seborrhoeic dermatitis

A

topical ketoconazole

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5
Q

what to give patient who has rosacea but with prominent flushing

A

topical brimonidine

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6
Q

newborn with flat purple lesion on cheek what is most likely diagnosis

A

port wine stain

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7
Q

where do pyogenic granulomas occur

A

at site of minor trauma e.g. splinter

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8
Q

where do amelanotic melanomas occur

A

on sole of foot

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9
Q

where are keloid scars most common

A

sternum

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10
Q

how to treat tinea versicolor

A

anti fungal - ketoconazole

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11
Q

what is alopecia areata

A

autoimmune condition caused localised well demarcated patches of hair loss

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12
Q

what is vitiligo

A

loss of melanocytes

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13
Q

conditions associated with vitiligo

A
  • T1DM
  • Addison disease
  • pernicious anaemia
  • alopecia areata
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14
Q

where are sebaceous cysts most commonly located

A

on the scalp

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15
Q

what is a precursor of pityriasis rosacea

A

viral upper respiratory tract infection

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16
Q

what does the rash look like in pityriasis rosacea

A

oval, scaly patches running parallel to the line of Langer

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17
Q

where does lichen sclerosis affect

A

genitalia of elderly women

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18
Q

management of lichen sclerosis

A

topical steroids and emollients

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19
Q

what is the rash like in erythema multiform

A

giant non itchy target lesions

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20
Q

what is rash like in erythema nodosum

A

nodular

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21
Q

management of pityriasis rosacea

A

self limiting

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22
Q

rash in impetigo

A

golden crusted skin lesions all around the mouth

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23
Q

what rash is associated with hot water bottles

A

erythema ab igne

24
Q

what initial investigation to do if someone has erythema nodosum

A

tuberculosis
sarcoidosis

25
Q

itchy scaly rash on palm of hands is

A

lichen Planus

26
Q

management of lichen planus

A

potent steroid
- betamethasone

27
Q

management of a dermatophyte nail infection

A

topical terbinafine

28
Q

what is the diagnosis of shingles

A

clinical

29
Q

diagnosis of ‘golden crusted skin lesion found around the mouth’

A

impetigo

30
Q

management of impetigo

A

topical fusidic acid - 1st line

31
Q

what rash follows a streptococcal infection

A

guttate psoriasis

32
Q

management of keloid scar

A

intralesion corticosteroid injection

33
Q

where is venous ulceration typically seen

A

above medial malleolus

34
Q

history of loss of libido, impotence and red crusted lesions around anus is suggest of

A

zinc deficiency

35
Q

cause of spider naevi

A

liver disease
pregnancy
combined oral contraceptive pill

36
Q

pink or pearl coloured papule with central umbilication =

A

molluscs contagiosum

37
Q

management of excess sweating

A

topical aluminium chloride

38
Q

management of facial hirtuism

A

topical eflornithine

39
Q

most common dermatosis in pregnancy is

A

atopic eruption of pregnancy

40
Q

what bacteria contributes to the development of acne

A

propionibacterium acnes

41
Q

what is associated with seborrhoeic dermatitis

A

HIV

42
Q

side effect of lamotrigine

A

Steven Johnson syndrome

43
Q

hair loss associated with chemotherapy is called

A

anagen effluvium

44
Q

causative organism in pityriasis versicolor

A

malassezia

45
Q

well-circumscribed annular erythematous plaques with an advanced scaly border and central clearing =

A

tinea corporis (ring worm)

46
Q

what leg lesion is found in UC and crohns

A

pyoderma gangrenosum

47
Q

small lesion with number of tiny blood vessels radiating from the middle
when pressed down on them they go white and they refill from the centre =

A

spider naevi

48
Q

spider naevi are associated with

A

liver failure

49
Q

pressure on lesion and it goes white them refills from the edge =

A

telangiectasia

50
Q

sore throat, headache, fever, lymphadenopathy, sandpaper like rash, tongue looks red and bumpy =

A

Scarlett fever

51
Q

management of rosacea

A

metronidazole

52
Q

what is erythroderma

A

dermatological emergency when there is widespread erythema >90% of skin surface

A: dermatitis, psoriasis, pityriasis rubra pilaris

53
Q

is urticarial rash itchy

A

yes

54
Q

sudden eruption of seborrheic keratosis is called what and what is this a sign of

A

called Leser-Trelat sign
paraneoplastic process associated with gastric or colorectal adenocarcinoma

55
Q

blisters on dorsal of hands that rupture easily to form erosions
blisters can heal to leave scars and cause hyperpigmentation and hypertrichosis (especially at top of cheek) =

A

porphyria cutanea tarda

56
Q

management of porphyria cutanea tarda

A

avoid sunlight
phlebotomy (reduce iron levels)
anti malarial - chloroquine

57
Q

pregnant women with widespread rash with peri umbilical sparing

A

polymorphic eruption of pregnancy

finals (25 decks)

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