even more factoids Flashcards Preview

PRIYA DERM > even more factoids > Flashcards

Flashcards in even more factoids Deck (29)
Loading flashcards...
1
Q

what is a rodent ulcer

A

BCC

central ulceration

2
Q

what are the causes of erythema nodosum

A

TB and sarcoidossi

3
Q

how to treat psoriasis

A

betnovate + vit D analogue

4
Q

which types of sensitivity is contact dermatitis

A

4

5
Q

how to treat dermatitis herpetiformis

A

gluten free diet

dapson

6
Q

what is pityriassis versicolour

A

asymptomatic patches
like vitilogo
can be itchy - give antihistmines

7
Q

what is seen as a flexural rash

A

atopic dermatitis / eczema

8
Q

papillomatosis

A

irregular thickening of epithelium

9
Q

acanthosis

A

increased thickening of epithelium

10
Q

acantholysis

A

separation of individual keraitnocytes

11
Q

hyperkeratosis

A

increased thickening of keratin layer

12
Q

spongiosis

A

intracellular oedema in epidermis

13
Q

macule

A

<1cm hyperpigmented flat lesion

14
Q

nodule

A

rasied, well defined lesion >0.5cm

15
Q

plaque

A

raised, flat topped lesions which grown horizontally and >1cm

16
Q

vesicle

A

fluid filled lesions <0.5cm

17
Q

erosion

A

superficial skin break in the epidermis

18
Q

crust

A

yellow / brown

19
Q

eg of calcineural inhibitors

A

tacrolimus

20
Q

what is pomphylx eczema

A

exudative eczema restricted to hands and feet - forms watery blisters and severe itch

21
Q

ectoderm forms -

A

exoskeleton

dermis

22
Q

mesoderm forms

A

organs

epidermis

23
Q

endoderm forms -

A

inner lining of organs

24
Q

how many days does it take keratinocytes to get from basal layer to keratin layer

A

28 days

25
Q

how is the basal layer connected to the lamina lucida

A

hemi desmosomes

26
Q

what is the dermis composed of

A

mostly collagen
elastin
ground substance (gel like substance composed of glycoaminoglycnas)

27
Q

which hypersensitivity causes an athurs reaction

A

3

28
Q

which IGs mediate type 3

A

M and G

29
Q

lichen planus histology

A

irregular sawtooth acanthosis