OnlineMedEd: Dermatology - "Hyperpigmentation" Flashcards

1
Q

If you see _______________ in a mole, then it is likely benign and you do not need to do anything.

A

hair

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2
Q

Review the ABCDE of melanoma.

A
  • A: asymmetric
  • B: borders irregular
  • C: color
  • D: diameter > 5 mm
  • E: evolving

If these are all negative, don’t bother with a biopsy. If more than one is positive, do a biopsy.

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3
Q

True or false: seborrheic keratosis is benign.

A

True

However, when they first appear they can be difficult to differentiate from SCC so biopsies are often done.

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4
Q

Describe seborrheic keratosis.

A
  • Stuck on appearance
  • Greasy
  • Often large
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5
Q

What color are actinic keratosis (usually)?

A

Yellow-brown

Though they can often be skin-colored (giving the “felt-but-not-seen” effect).

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6
Q

Actinic keratosis is treated with _____________.

A

cryoablation and topical 5-FU (after biopsy confirms that it is not malignant)

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7
Q

Which of the benign skin cancers can metastasize?

A

SCC

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8
Q

How is keratoacanthoma different from SCC?

A

It arises quickly and goes away on its own.

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