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Dermatology > Photodermatology > Flashcards

Photodermatology Flashcards

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Dermatology Board Prep flashcards
1
Q

PCT

A

Blisters, fragility, hyperpgimentation, hypertrichosis, solar urticaria
Deficiency of Urobilinogen decarboxylase

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2
Q

Investigations for PCT

A

Woods lamp - re-emit UV as fluorescence

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3
Q

Management of PCT

A

Treat underlying cause: alcohol, hepatitis, oestrogen, haemochromatosis
Photoprotection measures

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4
Q

AIP

A

Deficiency of PBG deaminase

Acute abdo, Mononeuritis multiplex, psychosis, neurotoxic

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5
Q

EP

A

Deficiency of ferrochelatase
Blisters, pain lasts 3-4 days, eczame, acne, psoriasis, liver failure
Swelling after light exposure, apply cold to hands

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6
Q

Investigations for EP

A 
Hb
RBC porphyrins
Fluorocytes
Phototesting
Biliary tract US
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7
Q

Management of EP

A 
Genetic counselling
6 monthly LFTs and RBC porphyrins
Photoprotection measures
Avoid iron
Phototherapy
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8
Q

Age for EP vs PCT

A

EP - young

PCT - middle age

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Dermatology (10 decks)

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