Intro to Dermatology Flashcards

0
Q

characteristics of skin lesions

A

size
shape
colour

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1
Q

Derm consult, usually two things:

A

rash

lesion

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2
Q

why erythema?

A

vasodilation - blanching

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3
Q

why non blanching?

A

red cells out of vessels

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4
Q

erythroderma is?

A

systemic redness, vasodilation, dangerous for hypotension

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5
Q

psoriasis pathophysiology

A

making heaps of epidermis, retaining

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6
Q

icthyosis

A

dry, scaly, non sticking together

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7
Q

macule is what?

A

small and flat

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8
Q

papule description

A

small and raised

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9
Q

nodule description?

A

elevated, palpable lesion >5mm

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10
Q

describe a cyst?

A

nodule with fluid in it

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11
Q

plaque description?

A

bigger than nodule, broadness is greater than depth

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12
Q

what is wheal?

A

area of localised oedema of skin

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13
Q

what is a vesicle?

A

filled with fluid, blisters

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14
Q

bulla of bullous is what?

A

deeper, intact

inflamm past layer of epidermis

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15
Q

what is a pustule?

A

vesicle or bulla containing pus

16
Q

what is erosion?

A

superficial loss of epidermis, does no scar

17
Q

ulcer is?

A

area of tissue loss through the dermis

18
Q

what is telangiectasia?

A

dilated blood vessels from rosacea/sun damage

19
Q

does petechiae blanche? what does it mean?

A

nope, means injury to vessel

20
Q

palpable pupura is?

A

bleeding from vessels, non blanching

21
Q

alopecia areata is?

A

autoimmune hair loss to certain areas

22
Q

sclerosis is?

A

thickening of skin, hardening of subcutaneous tissue, dermis

champagne bottle legs is kind of sclerosis: lipodermato sclerosis

23
Q

atrophy in derm is?

A

wrinkling and thinning of epidermis

24
Q

derm red flags?

A
confluent erythma
facial, tongue swelling, dysphagia
urticaria, pruritis
purpura
blistering
skin pain
muscosal involvement
change in size, shape, colour of a lesion
25
Q

TEN is what? what causes it?

A

toxic epidermal necrolysis from severe drug reaction

common with sulphur containing Abx (eg. bactra), and antiepileptics sore spreading all over

26
Q

what looks like scaly annular lesions itchy and spreading with central clearing?

A

tinea corporis

27
Q

most common spot to find tinea pedis?

A

between 4th and 5th digit

28
Q

danger area for herpes simplex?

A

ophthalmic involvement: corneal scarring

29
Q

Molluscum is?

A

virus, small umbilicated skin papules

30
Q

viral warts caused by?

A

HPV types

31
Q

what is most common wart?

A

Verruca vulgarisa

32
Q

anogenital warts risk if left?

A

cancer

33
Q

what is DCP? what is it for?

A

allergen, cause contact dermatitis, activate immune system to clear the warts?

34
Q

staph loves what?

A

eczema