dermatology Flashcards

1
Q

stuck on appearance

A

seborrhoeic keratosis/basal cell papilloma

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2
Q

lesser trelat sign

A

eruption seborrhoeic keratosis suggesting internal malignancy

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3
Q

patch test

A

contact allergic dermatitis

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4
Q

skin fraily/blisters increased hair growth

A

porphyria cutanea tarda

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5
Q

silver scales, extensors, well defined, munroe microabsess, auspitz sign

A

psoriasis

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6
Q

irregular sawtooth acanthosis

A

lichen planus

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7
Q

wickhan striae, cytoid boies

A

lichen planus

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8
Q

nickolskys sign +ve, flacid blisters, errosions, mucosal involvement

A

pemphigus vulgaris

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9
Q

chicken wire IgG in epidermis on histology

A

pemphigus vulgaris

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10
Q

linear IgG at basement membrane on histology

A

bullous pemphigoid

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11
Q

large tense vesicles itchy, dont burst, Nikolskys -ve

A

bullous pemphigoid

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12
Q

coeliac disease, ttga +ve

A

dermatitis herpetiform

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13
Q

papillary dermal microabessesses

A

dermatitis herpetiform

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14
Q

patchy granular IgA

A

dermatitis herpetiform

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15
Q

recurrent facial flushing

A

rosacea

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16
Q

honey coloured crust

A

impetigo

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17
Q

severe pain worse than visible signs

A

necrotising fasciitis: group B strep

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18
Q

varicella

A

chicken pox

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19
Q

dermatomal distribution

A

shingles: VZV

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20
Q

deafness, vertigo, tinnitus

A

Ramsay Hunt Syndrome

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21
Q

shingles >4ws

A

post herpetic neuralgia

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22
Q

trigeminal distribution shingles

A

opthalmic zoster

23
Q

erythema nodosum

A

sarcoidosis

24
Q

small umbilicated translucent papules, solid

A

molluscum contagiosum

25
Q

kaposi’s sarcoma

26
Q

firm fleshy nodule, yellow periphery, red centre, hand of sheep farmer

27
Q

monomorphic punched out lesion on buttocks

A

eczema herpeticum: herpes simplex virus, emergency tx: acyclovir

28
Q

target lesion bullseye rash

A

erythema multiforme

29
Q

blistering rash back of mouth

A

herpangia: enterovirus/coxsackie

30
Q

rash + acute arthritis

A

parvovirus B19

31
Q

intense erythema on chest, prox limbs children

A

slapped cheek, parvovirus B19

32
Q

erythematous bullseye lesions

A

lymes disease ; b. burgdofeli, erythema migrans

33
Q

chancre, snail track ulcers, rash on palms and soles

A

syphyllis: treponema pallidum

34
Q

lip lick chellitis

A

contact irritant dermatiits

35
Q

spongiosis

36
Q

fillagrin mutation, no granular layer, fish like scale

A

ichthyosis vulgaris

37
Q

heliotropic rash, scale on knuckles

A

dermatomyositis

38
Q

periungual fibromata, infant seizures, ash leaf macule, shagreen patches, enamel pitting, hamartoma, angiofibroma

A

tuberous sclerosis
TSC1: Ch 16 hamartin
TSC2: Ch 9 tuberin

39
Q

childhood onset BCC

A

gorlins syndrome AD PTCH1 gene, palmar pits, jaw cysts, calcification falx, medulloblastoma, fibromas

40
Q

widespread blisters, skin shedding on slight handling

A

epidermolysis bullosa

41
Q

cafe au lait macules, axillary freckling, lisch nodules, optic glioma

A

neurofibromatosis 1 AD

42
Q

cheesy keratin, cyst swelling

A

epidermoid cysts

43
Q

histocytoma, trauma insect bite on leg peripheral ring nodule

A

dermatofibroma

44
Q

picket fenced border, pearly rolled edge, central ulceration, telangectiasia

45
Q

rodent ulcer

A

nodular BCC

46
Q

scaly plaque whipcord margin

A

superficial BCC

47
Q

flat deep poor defined

A

morphoeic BCC

48
Q

hyperkeratotic crust lump can bleed, painful

49
Q

cauliflower appearance

A

plantar warts

50
Q

bunch of grapes on dermatoscope

51
Q

velvet thickened lesion in axillae

A

acanthosis nigricans

52
Q

early onset multiple BCC

A

naevoid BCC

familial dysplastic naevus

53
Q

gaitor area, shallow ulcer, ABPI > 4 wks

A

chronic venous ulcer