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Year 3 MedEd slides > Dermatology > Flashcards

Dermatology Flashcards

1
Q

What is the least common type of skin cancer?

A

Malignant melanoma

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2
Q

Which type of skin cancer presents in different places in men and women, and where does each type present?

A

Malignant melanoma
Women: legs
Men: trunk

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3
Q

Which type of skin cancer is most likely to ooze?

A

Malignant melanoma

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4
Q

Recall the scoring system used by NICE to determine whether a pt gets 2-week-waited for a skin lesion

A

2 points for: asymmetry, colour irregularity and evolution of lesion in size
1 point for: diameter .7mm, inflammation, oozing and change in sensation
Score of 3+ –> 2 week wait

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5
Q

In which demographic is acral lentiginous melanoma most common?

A

Darker skin types

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6
Q

If a skin lesion has a ‘stuck-on’ appearance, what is it most likely to be?

A

Seborrhoeic wart

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7
Q

Which type of melanoma is most likely to appear on the face of the elderly?

A

Lentigo maligna

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8
Q

What is the most common subtype of melanoma?

A

Superficial spreading

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9
Q

How is melanoma definitively diagnosed?

A

Full thickness excisional biopsy

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10
Q

Which type of skin cancers are likely to metastasise and which are not?

A

Melanoma: may metastasise

Basal cell: probably won’t

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11
Q

What is the most common type of skin cancer?

A

Basal cell

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12
Q

Which type of skin cancer is likely to be described as having a “pearly edge”?

A

Basal cell carcinoma

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13
Q

Which types of skin cancer may have an ulcerated centre?

A

Basal cell, squamous cell

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14
Q

Which type of skin cancer may have surface telangiectasia?

A

Basal cell

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15
Q

What is the first line of management in suspected basal cell carcinoma?

A

Routine referral to dermatology - NOT 2 week wait

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16
Q

How do squamous cell carcinomas appear?

A

Keratotic (scaly and crusty)
Everted edges
May ulcerate

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17
Q

Should suspected squamous cell carcinomas be referred to derm on a 2 week wait or routinely?

A

2 week wait

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18
Q

Which type of skin cancer is most likely to appear at the nose?

A

Basal cell

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19
Q

Which virus causes molluscum contagiosum?

A

Pox

20
Q

Which age group are most likely to get molluscum contagiosum?

A

1-4 year olds

21
Q

Which benign skin disease are HIV+ patients particularly at risk of getting?

A

Molluscum contagiosum

22
Q

How is the appearance of molluscum contagiosum lesions described?

A

Pearly white papules with central umbilication

23
Q

What is erysipelas?

A

Distinct form of superficial cellulitis which is sharply demarcated

24
Q

Describe the symptoms of erysipelas

A

As well as well-demarcated area of superficial cellulitis they will be systemically unwell with fever and rigors

25
Q

Which type of cellulitis is a medical emergency?

A

Orbital

26
Q

Describe the management of mild cellulitis

A 
Draw around lesion
If on leg, elevate
Encourage oral fluids
Analgesia
Oral antibiotics (often fluclox)
27
Q

Define necrotising fasciitis

A

Rapidly spreading infection of the deep fascia with secondary tissue necrosis

28
Q

What sort of bacteria cause necrotising fasciitis?

A

Group A beta-haemolytic streptococcus

29
Q

What is another name for eczema?

A

Dermatitis

30
Q

Which type of dermatitis is a type I reaction and which type is type IV?

A

Type I - atopic dermatitis

Type IV - contact dermatitis

31
Q

Describe the appearance of seborrhoeic dermatitis

A

Yellow, greasy scales on face and around eyebrows

32
Q

What is eczema herpeticum?

A

HSV infection in eczema sufferer

33
Q

Which typeof eczema is a medical emergency?

A

Eczema herpeticum

34
Q

Recall the appropriate invetsigations for atopic eczema and contact dermatitis

A

Atopic: clinical diagnosis

Contact dermatitis: skin-patch testing

35
Q

Define psoriasis

A

Chronic inflammatory skin disease due to hyperproliferation of keratinocytes

36
Q

What is Auspitz sign?

A

Removal of a scale from a lesion causing bledding: positive in psoriasis

37
Q

In which condition do you get telescoping fingers?

A

Psoriatic arthritis

38
Q

Describe the appearance of chronic plaque psoriasis

A

Red patches with silver scales

39
Q

Recall the management of erythema multiforme

A

None as it is usually self-limiting

40
Q

What is the most common infective cause of erythema multiforme?

A

HSV

41
Q

What sort of skin disease do neoplasms of the blood increase the risk of?

A

Erythema multiforme

42
Q

Describe the appearance of erythema multiforme

A

Target lesions

43
Q

Which drug is linked with causing erythema multiforme?

A

Penicillin

44
Q

Define Stevens-Johnson syndrome

A

Severe skin disease of TWO mucosal sites

45
Q

Describe the presentation of SJS

A

Systemically unwell and in shock (hypotension with tachycardia)
Lesions are targetoid

Year 3 MedEd slides (16 decks)

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