Session 4: Dermatology Conditions Flashcards

1
Q

Normal history of acne vulgaris.

A

Adolescents affected which can start as young as 8 years of age.

Usually gets to its worst at around 16-18. This is also the time when patients are most aware of it and most self-conscious about it.

Will get better with age.

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2
Q

Triggers/causes of acne.

A

Diet - oily, dairy (anything enjoyable)

Stress

Genetics

PCOS

Cushing’s / steroids

Environmental causes such as high humidity

Increased sebum production

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3
Q

Clinical features/appearance of acne.

A

Found mainly around face, chest and back.

Comedones both open and closed.

Erythema

Papules, pustules and nodules

Excorations when picked

Can leave scars.

Can be painful/bloody

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4
Q

Management of mild/moderate acne.

A

Topical retinoids

Topical antibiotics

Creams and lotion

Light and laser therapy

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5
Q

Management of moderate acne.

A

Continue as with mild and can also give oral antibiotics and retinoids.

If woman can also be started on COCP if that is an option (hormonally related)

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6
Q

Management of severe acne.

A

Continue as before + referral to dermatology clinic

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7
Q

What is dermatitis/eczema?

A

Refers to a group of inflammatory conditions that affect the epidermis.

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8
Q

Give types of eczema.

A

Atopic (most seen in children)

Irritant contact

Allergic contact

Dry skin

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9
Q

Give causes/triggers of eczema.

A

History of atopy

Dry weather

Cold weather

Any sort of change from baseline.

Irritants

Clothes

Creams

Infection

etc…

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10
Q

Treatment of eczema.

A

Bathing + soap free cleanser.

Soft and smooth clothes

Remove irritant

Apply emollients

Topical steroids

Antibiotics

Antihistamines

Phototherapy

Light therapy

UV therapy

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11
Q

Clinical features of eczema.

A

Usually flexural

Pruritic

Erythematous

Can have excoriations

Usually discrete

Can have papules

Macular

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12
Q

What is psoriasis?

A

A chronic inflammatory skin condition where there is increased turnover of keratin from 30 days to 24-72 hours.

It is immune-mediated.

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13
Q

Causes of psoriasis.

A

Thought to be genetic.

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14
Q

Clinical features of psoriasis.

A

Symmetrical

Erythematous

Scaly + silvery plaques

Well-defined edges

Commonly extensoral

Common sites such as scalp, elbows and knees.

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15
Q

Aggravating factors of psoriasis.

A

Streptococcal tonsillitis

Injuries

Sun exposure

Obesity

Smoking

Alcohol

Stress

Medication

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16
Q

Treatment of psoriasis.

A

Stop smoking, low amounts of alcohol, normal BMI.

Topical therapy such as emollients and topical corticosteroids

Phototherapy (UV)

Systemic therapy

Biologics

17
Q

What is this?

A

Molluscum contagiosum

18
Q

What is molluscum contagiosum?

A

A common viral skin infection

19
Q

Who gets MC?

A

Infants

Young children <10 y/o

More common in warm climates

More common in children with atopy

Also in HIV patients

20
Q

What causes MC?

A

Caused by a poxvirus.

21
Q

Clinical features of MC.

A

Clusters of small round papules

Umbilicated

Vesicles

Found close to axillae, popliteal fossa, groin or around genitals.

Most commonly arise in warm/moist places.

22
Q

What is this?

A

Tinea infection

Specifically tinea corpora

23
Q

What is a tinea infection?

A

A skin infection with a dermatophyte (ringworm) fungus.

It is called tinea and then also its a body part e.g.

Tinea pedis

Tinea corpora

Tinea faciei

24
Q

What is this?

A

Urticaria

25
Q

What is urticaria?

A

Characterised by weals/hives or angioedema.

A pale skin swelling usually with erythema.

26
Q

Who gets urticaria?

A

ONe in five children or adults has an episode of acute urticaria in the lifetime.

It is more common in atopics.

27
Q

Clinical features of urticaria.

A

Weals white/red

Usually persist for some time (24 h or less most commonly) and then goes away.

Angioedema

28
Q

Treatment of urticaria.

A

Antihistamines

If not enough try systemic treatment.

Avoid triggers