Miscellaneous skin conditions Flashcards Preview

Dermatology > Miscellaneous skin conditions > Flashcards

Flashcards in Miscellaneous skin conditions Deck (9)
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1
Q

What is the most common pattern of lichen planus?

A

Eruption of itchy reddish-purple papules, often on wrist, back, mouth and genitalia

2
Q

What do the oral lesions in lichen planus look like?

A

Lacy white streaks on the cheek lining

3
Q

What is the pathophysiology of lichen planus?

A

T-cell mediated attack on the epidermis

4
Q

How is lichen planus treated?

A

Potent topical steroids

5
Q

Short, prodromal illness, followed by a few large, oval, red scaly patches usually on trunk or upper arms, followed 2-3 days later by a sudden eruption of pink oval patches on trunk, upper arms and thighs

A

Pityriasis rosea

6
Q

What does “peripheral collarette” mean?

A

Feature of the lesions in pityriasis rosea; lesions peel from the centre towards the edge

7
Q

What is the normal outcome for the rash in pityriasis rosea?

A

Disappears within 6-8 weeks

8
Q

Acquired depigmentation as a result of loss of melanocytes

A

Vitiligo

9
Q

Management of vitiligo (4)

A
Following may help:
Topical steroids
Phototherapy
Sunscreens
Cosmetic camouflage