pathologies Flashcards Preview

Skin > pathologies > Flashcards

Flashcards in pathologies Deck (52):
1

any abnormal/damaged tissue

lesion

2

brown/purple/pink/red lump smaller than 1cm, no fluid visible

papule

3

white or red lumps with fluid/pus visible

pustule

4

bigger than papule, usually centred in deremis/fat

nodule

5

change in surface colour, skin remains even - birthmark

macule

6

dried body fluids/dead skin cells, scab

crust

7

yellow liquid, non-cellular component of blood

plasma

8

thicker, cloudy pus

exudate

9

epidermal thickening, accentuated skin markings, washboard appreance

lichenification

10

loss of superficial layers of epidermis
(chemicals, friction, pressure)

erosion

11

excess sebum/keratin oxidised in sebaceous gland/duct

open comedo (comedone plural)

12

excess sebum/keratin not oxidised in sebaceous gland duct, remains white

closed comedo (comedone)

13

eczema/dermatitis are

interchangeable

14

oedematous

swelling from fluid

15

erythematous

red

16

pruritic

itchy

17

typical symptoms general eczema/dermatitis

flaky, dry
oedematous
erthematous
pruritic
crusty weepy

18

two types contact dermatitis

irritant contact dermatitis (ICD)- 80%
allergen contact dermatitis(ACD)

19

in which contact dermatitis is immune system activated

allergen contact dermatitis

20

how is phototoxic a variant of ICD

irritants activated by sunlight

21

additional symptoms contact dermatitis

as general +
possible, burning, erosion, blisters

22

define atopic

type of allergy - reaction occurs in part of body NOT in contact with allergen

23

primary sypmtom of atopic dermatitis/excema

pruritis

24

atopic dermatitis ezcema typically first presents

on flexor surfaces (creases) and cheeks (newborns esp)

25

atopic dermatitis/excema primarily affects

children in ureban areas/developed countries

26

Urticaria also known as

hives, nettle rash

27

symptoms urticaria

hard, raised, erthematous pruritic lesions
develop acutely within minutes
can develop internally and block airways

28

symptoms of psoriasis

red scaly plaques
shiny silver scales
bleeding
dents in fingernails

29

pathophysiology psoriasis

epthelial cells produced too fast - incomplete maturation

30

triggers psoriasis

UV light, chemicals, acohol, stress, lithium, poor gut health, intolerances

31

complications psoriasis

psoriatic arthritis - spreads to synovial membranes

32

Acne vulgaris is common in

teenagers

33

acne vulgaris characterised by

lesions, open/closed comedones, scarring

34

causes acne vulgaris

hereditary, excess androgen levels, premenstrual hormone imbalances, sugar, dairy - whey protein!

35

what is infantile acne

on baby's face due to maternal androgens

36

what is steroid acne

on back/shoulders from steroid use

37

what is oil acne

on oil workers

38

excessive discharge of sebum from sebaceous glands (oily skin)

seborrhoea

39

cause of acne rosacea

unknown

40

symptoms acne rosacea

chronic inflammation/flushing across nose & cheeks
seborrhoea, papules. pustules
NO COMEDONES
many also effect eyes and other organs

41

warts & varrucae caused by

human papilloma virus

42

cause of vitiligo

genetic, poss auto-immune

43

what happens in vitiligo

loss of melanocytes - loss pigmentation

44

causes of burns

heat
cold
chemical
radiation
electricity

45

1st-2nd degree burns are

superficial

46

2nd - 4thdegree burns are

deep

47

are superficial or deep burns more painful

superficial as less nerve damage

48

6 burn complications

dehydration - through damaged skin water/plasma
hypovolaemic shock
hypothermia - can't regulate, excessive heat loss
infection
renal failure - kidney overload
contractures

49

what are contractures

scar tissue contracts
distorts skin
impairs movement

50

what is cellulitis

bacterial infection of dermal and subcutaneous layers

51

cellulitis usually presents with

lymphangitis
lymphoedema
lymphadentitis

52

cellulitis usually occurs where skin is

broken