Intro to Dermatology

Question 0

characteristics of skin lesions

Answer 0

size
shape
colour

Question 1

Derm consult, usually two things:

Answer 1

rash

lesion

Question 2

why erythema?

Answer 2

vasodilation - blanching

Question 3

why non blanching?

Answer 3

red cells out of vessels

Question 4

erythroderma is?

Answer 4

systemic redness, vasodilation, dangerous for hypotension

Question 5

psoriasis pathophysiology

Answer 5

making heaps of epidermis, retaining

Question 6

icthyosis

Answer 6

dry, scaly, non sticking together

Question 7

macule is what?

Answer 7

small and flat

Question 8

papule description

Answer 8

small and raised

Question 9

nodule description?

Answer 9

elevated, palpable lesion >5mm

Question 10

describe a cyst?

Answer 10

nodule with fluid in it

Question 11

plaque description?

Answer 11

bigger than nodule, broadness is greater than depth

Question 12

what is wheal?

Answer 12

area of localised oedema of skin

Question 13

what is a vesicle?

Answer 13

filled with fluid, blisters

Question 14

bulla of bullous is what?

Answer 14

deeper, intact

inflamm past layer of epidermis

Question 15

what is a pustule?

Answer 15

vesicle or bulla containing pus

Question 16

what is erosion?

Answer 16

superficial loss of epidermis, does no scar

Question 17

ulcer is?

Answer 17

area of tissue loss through the dermis

Question 18

what is telangiectasia?

Answer 18

dilated blood vessels from rosacea/sun damage

Question 19

does petechiae blanche? what does it mean?

Answer 19

nope, means injury to vessel

Question 20

palpable pupura is?

Answer 20

bleeding from vessels, non blanching

Question 21

alopecia areata is?

Answer 21

autoimmune hair loss to certain areas

Question 22

sclerosis is?

Answer 22

thickening of skin, hardening of subcutaneous tissue, dermis

champagne bottle legs is kind of sclerosis: lipodermato sclerosis

Question 23

atrophy in derm is?

Answer 23

wrinkling and thinning of epidermis

Question 24

derm red flags?

Answer 24

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

Question 25

TEN is what? what causes it?

Answer 25

toxic epidermal necrolysis from severe drug reaction

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

Question 26

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

Answer 26

tinea corporis

Question 27

most common spot to find tinea pedis?

Answer 27

between 4th and 5th digit

Question 28

danger area for herpes simplex?

Answer 28

ophthalmic involvement: corneal scarring

Question 29

Molluscum is?

Answer 29

virus, small umbilicated skin papules

Question 30

viral warts caused by?

Answer 30

HPV types

Question 31

what is most common wart?

Answer 31

Verruca vulgarisa

Question 32

anogenital warts risk if left?

Answer 32

cancer

Question 33

what is DCP? what is it for?

Answer 33

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

Question 34

staph loves what?

Answer 34

eczema