Dermatology Flashcards

1
Q

stuck on appearance

A

seborrheic keratosis (a.k.a. basal cell papilloma)

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2
Q

picket fencing/palisading, pearly border, rodent ulcer

A

basal cell carcinoma

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3
Q

dermatitis herpetiformis + IgA +ve

A

coeliac disease

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4
Q

granular IgA at the dermal papillae

A

dermatitis herpetiformis

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5
Q

erythema nodosum associated disorders?

A

sarcoidosis, IBD, TB and oral contraceptive pill

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6
Q

erythematous bullseye lesion

A

lyme disease

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7
Q

ash leave spots/shagreen spots + epilepsy + periungum scleroma + adenoma sebacum

A

tuberous sclerosis

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8
Q

honey/golden crust

A

impetigo

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9
Q

café au lait spots, Lisch nodules, axillary freckling

A

neurofibromatosis

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10
Q

silver scale, extensor surfaces

A

psoriasis

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11
Q

cauliflower warts

A

HPV warts

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12
Q

Kaposi’s sarcoma

A

HIV, immunosuppressed, HHSV8 (human herpes simplex virus 8)

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13
Q

Intense erythema on the face and proximal limbs of a child

A

Slap cheek = parovirus B19 – can cause anaplastic anaemia in Sickle cell disease

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14
Q

Small, umbilicated, translucent nodules – look fluid filled, are solid

A

molloscum contagiosum

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15
Q

Flaccid blisters that burst easily to form erythematous lesions

A

pemiphigus vulgaris = Nikolsy sign +ve

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16
Q

Large, tense, itchy bullae that cannot be burst

A

bullous pemphigoid (Nikolsy sign -ve)

17
Q

Heliotrope rash, Gottron’s papules, shawl rash

A

dermatomyositis

18
Q

Fish scale lesions

A

ichthyosis

19
Q

Velvety thickened lesions in axilla

A

acanthosis nigricans

20
Q

Target lesion

A

erythema multiforme

21
Q

Exclamation mark hairs

A

alopecia areata

22
Q

What allergy type is contact irritant?

A

type IV (mediated by T cells)

23
Q

Psoriasis exacerbated by what drugs?

A

lithium, B-blockers

24
Q

Munro microabscesses

A

psoriasis

25
Q

Arthus reaction

A

type 3 hypersensitivity on skin testing