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stuffs Flashcards

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Dermatology Board Prep flashcards
1
Q

what is the difference between venous and arterial ulcers

A

venous - shallow edge like beach and around malleolus

arterial - high edges like cliffs

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2
Q

slow growing lump or non healing ulcer. pearly/transulcent. painless

A

BSC

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3
Q

visible airbnorising blood vessels

A

BSC

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4
Q

central ulceration - rodent ulcer

A

BSC

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5
Q

list precursors of SCC

A

bowers disease - females legs
viral lesions
actinic keraotsis - head/neck

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6
Q

hyperkeratotic crusted lump/ulcer - grow fast

A

SCC

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7
Q

1 defective copy of MRCI

2 defective copies

A

freckles

freckles and red hair

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8
Q

actinic lentignes

A

liver/age spots

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9
Q

congenital melaenytic naeivi

A

small 20 - have 10-15% risk of becoming malignant

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10
Q

junctional naeuvous childhood

A

cluster of cells at DEJ

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11
Q

adolescence/early adulthood compound

A

compound - groups of cells at dermis

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12
Q

intra dermal adulthood

A

entirely dermal

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13
Q

2 types of dysplastic naevi

A

sporadic - not inherited - risk of melanoma

familial - fh of melanoma - 100% risk, high penetrance

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14
Q

halonaevi

A

peripheral halo of depigmentation - lymphocytes

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15
Q

blue naevi

A

entirely dermal. mimic melanomas

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16
Q

spitz naevous

A
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17
Q

stuck on greasy appearance - greasy hyperkeratotic surface

A

seborrhoeac keratosis

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18
Q

seborrhoeac keratosis erupitic appearance is known as what

A

lester treeless sign - indicates malignancy

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19
Q

melanoma commonest type

A

superficial spreading melanoma - trunks of men legs of women

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20
Q

macule with irregular border and colour. increase in size over years and forms a nodule

A

superficial spreading melanoma

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21
Q

nodular melanoma

A

no surrounding pigmentation like superficial
older people
any part of body
more aggressive growth

22
Q

blue black or red skin ulcerated/bleeding

A

nodular melanoma

23
Q

latina malignant melanoma

A

invasive melanoma developed within a lentigo maligna

24
Q

melanoma survival

A

5 yr survival inset 100%

3mm 40%

25
Q

surgery excision of melanoma

A

1 cm lateral for every 1 mm depth

26
Q

nicosky positive

nicosky negative

A

phemphigous vulgaris

bullous phemohigoid

27
Q

macules, papules, pustules, erythema NO COMEDONES

A

rosacea

28
Q

koebenor phenomenon

A

psoriasis

new lesions arise at site if trauma

29
Q

psoriatic nails

A

oncholysis
nail pitting
subungla hyperkeratosis

30
Q

acne grading

A

mild - scattered pustules, papule and comedones
mod - numerous papule, pustules and mild atrophic scarring
severe - above, cysts, nodules and significant scarring

31
Q

what does paravirus B19 cause

A

slapped cheek syndrome

32
Q

what are the complications of B19

A

spontaneous abortion, anaemia, arthritis in wrists

33
Q

vector ticks

A

lyme disease

34
Q

virus of mouth
scabby mouth
firm fleshy nodule on hands of farmers

A

orf

35
Q

herpangigma

A

enterovirus blistering rash at the back of mouth

36
Q

vzv vaccination

A

in susceptible health care workers

37
Q

ramsay hunt syndrome also known as what

symptoms

A

otic herpes zoster

facial palsy, deafness, vertigo, tinnitus

38
Q

shingles vaccine

A

routine in over 70s

39
Q

itchy rash affecting finger webs, wrists, genital area

A

scabies

40
Q

chronic crusted scabies

A

norweignion scabies - highly infectious

41
Q

vagabonds disease

A

lice on body - pedicures corpons

42
Q

red moist skin with ragged peeling edge

pustule/papules/red margins

A

candida

43
Q

investigation for ringworm

A

clinical appearance
woods light
skin scraping
nail/hair clipping

44
Q

SA infection of eczema

A

crusting. weeping

45
Q

HIV infection of eczema

A

monomorphic punched out lesions

46
Q

diagnostic criteria of eczema

A

itchy skin and 3 or more of:
onset before 2
history of itch in flexures
history of dry skin
personal history of atopy or in 1st degree relative
flexural distribution or on cheeks/forehead and outer limbs if

47
Q

ix for contact allergic derm

A

patch testing

48
Q

type 1 mediated by

A

IgE

49
Q

type 2 and 3 mediated by

A

IgG and IgM

50
Q

arthus reaction

A

type 3

51
Q

type 4

A

cell mediated Th1

Derm flashcards - mine (3 decks)

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