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Medicine: Dermatology > Actinic Keratoses > Flashcards

Actinic Keratoses Flashcards

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Dermatology Board Prep flashcards
1
Q

What is this a presentation of?

Elderly, small brown/pink/red, dry, scaly/crusty lesion in sun-exposed sites.

A

Actinic keratosis

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2
Q

What are the risk factors for actinic keratosis?

A

Fair skin and sun exposure

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3
Q

When should actinic keratosis be biopsied?

A

When the lesions are tender, ulcerated, or rapidly growing.

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4
Q

What is the histology of actinic keratosis?

A

Dysplasia, but no invasion through basement membrane.

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5
Q

What can actinic keratosis progress to and what is the risk of it occuring?

A
  1. Squamous cell carcinoma

2. 5% risk

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6
Q

How is actinic keratosis prevented?

A

Sun cream, sun avoidance.

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7
Q

What is the treatment for actinic keratosis?

A
  1. Fluorouracil cream - 2-3 week course
  2. Topical diclofenac
  3. Topical imiquimod
  4. Cryotherapy
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Medicine: Dermatology (19 decks)

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