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Yr3 Dermatology > Psoriasis > Flashcards

Psoriasis Flashcards

1
Q

what is psoriasis

A

chronic, autoimmune disease characterised by well-demarcated. erythematous, scaly plaques

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2
Q

risk factors for different types of psoriasis

A

Guttate psoriasis - streptococcal sore throat

Palmoplantar psoriasis - smoking, middle-aged women, autoimmune thyroid disease

Generalised pustular psoriasis - hypoparathyroidism

drugs are a risk factor (BALI- Beta blockers, Antimalarials, Lithium and NSAIDs)

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3
Q

what cutaneous changes will be seen in psoriasis

A

Itchy, well-demarcated circular-to-oval bright red/pink elevated lesions (plaques) with overlying white or silvery scale, distributed symmetrically over extensor body surfaces and the scalp.

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4
Q

what is the Auspitz phenomenon

A

pinpoint bleeding with removing scales

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5
Q

what is the Koebner phenomenon

A

skin lesions may develop at points of trauma/ scars

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6
Q

what are the signs of psoriatic arthritis

A

Asymmetrical oligoarthritis

Symmetrical polyarthritis

Distal interphalangeal joint predominance

Arthritis mutilans

Psoriatic spondylitis

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7
Q

what investigations will be done for psoriasis

A

clinical diagnosis

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8
Q

what is the management of psoriasis

A

corticosteroids and vitamin D

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Yr3 Dermatology (8 decks)

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