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Flashcards in Derm Deck (31)
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1
Q

Eczema Dx?

A

Must have itchy skin plus >2 of following

History itchy flexor skin crease
History atopy
General dry skin
Visible flexural eczema (in adults)
Onset in first 2 years of life
2
Q

Eczema Mx

A

Emollients - should be 500g/week for an adult

More flares = higher lipid content

Topical steroids

3
Q

Eczema coms

ps

A

Psychosocial

Infection - staph aureus

4
Q

3 main types of psoriasis

A

Plaque - usual
Guttate - widespread fine scale on trunk, arms, legs. Often follows URTI
Pustular - URGENT referral

5
Q

Mx of mild / severe psoriasis

A

Mild - topical steroids

Mod/severe - methotrexate, phototherapy, oral retinoids (not for girls), biologics Eg infliximab (TNFa blocker)

6
Q

Mx of guttate / pustular psoriasis

A

Guttate - phototherapy, MTX, oral retinoid

Pustular - dermatology referral

7
Q

Rapid growing, dome shaped, well defined core

A

keratocanthoma

8
Q

irregular, keratinous nodule on lip

A

SCC

9
Q

slow growing, ‘pearly’ nodule, some telangiectasia

A

Basal cell carcinoma

10
Q

Rodent ulcer

A

BCC

11
Q

Common thing that looks like a normal mole with dark patches - ‘stuck on’ appearance

A

Seborrhoeic keratoses

12
Q

How to describe skin thing

A
a - asymmetry
b - well defined irregular border
c - variation in colour (blue tinge under dermatoscope)
d - diameter over 6mm
e - evolving
13
Q

what Mx available in severe eczema

A

oral steroids
azathioprine / ciclosporin
paste bandaging
phototherapy

14
Q

Ig raised in severe eczema

A

IgE

15
Q

Describe an eczema lesion

A

erythematous, scaly, excoriations, crust

16
Q

Describe a plaque psoriasis

A

red scaly, well demarcated

17
Q

what is koebner phenomenom

A

psoriasis lesions which develop at site of injury

18
Q

20 year old Jew comes in with blisters all over body and mouth that easily burst =?
2 Ix?
Mx?
2 main causes

A

pemphigus vulgaris

biopsy
screen for antibodies

Immunosupression / high dose steroids

drug induced / autoimmune

19
Q

Which one is like pemphigus but less popping of bulla ?

A

bullous pemphigoid

20
Q

Indicator of prognosis in melanoma

Mainstay of Mx ?

A

breslow thickness

Wide local excisison

21
Q

Bar skin 2 places you can get a melanoma

A

GI tract, CNS, choroid of eye

22
Q

Most aggressive form of melanoma?

A

nodular malignanat

23
Q

BCC - describe 3 main feautres ?

3DDx?

A

Small, pearly white nodule, telangiectasia, rolled edge, central ulcer, may be pigmented

SCC, melanoma, fibrous plaque , actinic keratosis

24
Q

Best Mx of BCC

A

Mohs micrographic surgery

25
Q

Common bug in acne

A

p acnes

26
Q

what happens in acne

A

increased sebum production

-> blocked pilosebaceious follicles become infected

27
Q

isotrenitoin SEs

A
dry skin / eyes 
depression 
teratogenicity 
migrain 
muscle aches
28
Q

most common chronic comp of shingles

A

post-herpetic neuralgia

29
Q

4 grades of pressure sore
4 RFs
4Mx points

A

1 - non blanching erythema
2- partial thickness
3 - full thickness of skin -> subcutaneous fat
4- involvement of muscle / bone / supporting tissue

Elderly, CV disease, obesity, malnutrition, immobility, neurologically impaired, incontinence

Nutrition 
Abx if needed 
regular dressings 
debridement 
pain relief 
pt positioning 
pressure relieving mattress . chair
30
Q
lichen scleorisis 3 DDx?
2 sx?
1 Ix?
Mx?
2 comps?
A

vitiligo, SCC, bowens, lichen plannus, scleroderma

Itching, dyspareunia, constipation

Biosy, swab

Topical steroids / emmolents / lube

SCC, scarring, dysparenunia, constipation

31
Q

Bad viral eczema in kids ?

A

Eczema herpeticum