Common Dermatological Conditions Flashcards Preview

Hugh's MD2 Gen Med > Common Dermatological Conditions > Flashcards

Flashcards in Common Dermatological Conditions Deck (27):
1

What is rhinophyma?

Tissue hypertrophy as a complication of rosacea

2

What is rosacea?

Patchy erythema of the face due to overactive blood vessels in the face which can be triggered by a number of factors including sunlight, alcohol, spicy foods 

3

What type of psoriasis is a medical emergency?

Generalised pustular psoriasis

4

What is the most common organism to infect eczematous lesions?

Staphylococcus aureus

5

Briefly outline the pathophysiology of eczema?

Genetic predisposition causes reduced barrier function of the skin upon which triggers like irritants, soap or heat act to cause eczema

5

What is a blackhead?

Open comedone containing oxidised sebum

6

What type of psoriasis is often preceeded by a streptococcal infection?

Guttate psoriasis

8

What is the most common cause of erythroderma?

Eczema

8

What is the pathophysiology of acne?

Abnormal keratinisation of sebaceous duct

Colonisation with bacteria - proprionobacterium acnes

Overproduction of sebum

Inflammation

9

How do you treat rosacea?

Avoid triggers

Laser therapy

Topical/systemic antibiotics if required

Systemic isotretinoin

 

 

10

What is erythroderma?

Inflammatory erythema and scaling affecting the whole body

11

How do you treat eczema?

Topical steroids if mild

Systemic steroids if required

Systemic antibiotics if infected

Light therapy

 

12

What are some clinical features of psoriasis?

Extensor aspect

Silvery scale

Symmetrical

Well demarcated

May be itchy

14

When does lichenification occur?

When eczematous lesions are scratched

14

What is pompholyx?

Vesicular hand and foot eczema

15

When does acne cause scarring?

When inflammation extends into dermis and disrupts dermal structures

17

How do you treat psorisis?

Topical treatments - Steroids, tar, calcipotriol, dithranol, keratinolytics, emollients

Phototherapy

Systemic - immunosuppressors

18

What is roaccutane?

A systemic retinoid called isotretinoin

19

Why is eczema herpeticum a medical emergency?

Because corneal scarring can occur

20

How can you treat acne?

Topical therapies - Antibiotics and/or comedolytics (eg retinoic acid or salicylic acids)

Systemic - systemic antibiotics or retinoids or anti-androgens

21

What are some clinical features of eczema?

Itchy - worse with itching

Erythematous

Diffuse

Flexural - thinnest skin

Worse in winter (dry) and summer (heat)

22

What infections commonly complicate psoriasis?

Yeast infections

23

What is discoid eczema?

Circular disc pattern that mimic psoriasis and yeast infection

Responses to topical steroids

24

What is asteatotic eczema?

Eczema characterised by pruritic, dry, cracked, and polygonally fissured skin with irregular scaling. It most commonly occurs on the shins of elderly patients, but it may occur on the hands and the trunk.

(medscape)

25

What is eczema herpeticum?

Eczema with a secondary herpes infection

26

What type of joint pathologies can occur in psoriasis?

Oligoarthritis

Distal symetrical polyarthritis

Ankylosing spondyling

Rheumatoid like

Arthritis mutilans

 

27

What are the two types of rosacea? How are they different?

Vascular - Flashing, erythema

Inflammatory - papules, pustules