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Dermatology > BCC vs SCC > Flashcards

BCC vs SCC Flashcards

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Dermatology Board Prep flashcards
1
Q

What are some risk factors in the development of SCC?

A
  • excessive exposure to sunlight
  • actinic keratoses and Bowen’s disease
  • immunosuppression e.g. following renal transplant
  • smoking
  • long-standing leg ulcers (Marjolin’s ulcer)
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2
Q

What is Bowen’s disease?

A

A type of intraepidermal SCC. (SCC in situ) it doesn’t invade the deeper layers of skin and thus is like a precusor to SCC.

It is more common in females.

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3
Q

What is this?

A

Bowen’s disease

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4
Q

What is this?

A

Squamous cell carinoma

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5
Q

What is this?

A

Squamous cell carinoma

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6
Q

What is this?

A

Bowen’s disease

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7
Q

What is this?

A

A keratoacanthoma.

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8
Q

What is a keratoacanthoma?

A
  • A benign epithelial tumour.
  • Looks like a smooth dome shaped papule and rapidly grows to become a crater centrally filled with keratin.
  • Treatment - spontaneous regression within 3 months is common. But it can be difficult to exclude SCC so urgent referral for excision is treatment of choice.
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9
Q

What is this?

A

Squamous cell carcinoma

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10
Q

What is this?

A

BCC

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11
Q

What is this?

A

Nodular BCC

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12
Q

What is more likely to metastasize SCC or BCC?

A

Both rarely metastasize BUT

4% of SCC will metastasize whilst BCC rarely ever.

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13
Q

What is the management option for a BCC?

A
  1. surgical removal
  2. curettage
  3. cryotherapy
  4. topical cream: imiquimod, fluorouracil
  5. radiotherapy

GPs can do it but the crieteria for doing it is so vast, better to refer.

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14
Q

What are the 4 main types of BCC?

A
  1. Cystic/Nodular BCC
  2. Superficial BCC
  3. Pigmented BCC
  4. Morphoeic BCC
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15
Q

What is this

A

Nodular/Cystic BCC

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16
Q

What is the most common type of BCC on the face?

A

Nodular/Cystic BCC

17
Q

What is this a picture of?

A

A pigmented BCC

Brown, blue or greyish lesion

18
Q

What is this a picture of?

A

Morphoeic BCC

19
Q

What is this a picture of?

A

A superficial BCC

Tends to occur in younger patients

20
Q

What is this a picture of?

A

A nodular/ cystic BCC

They may have a central ulcer so its edges appear rolled

21
Q

What is this a picture of?

A

Nodular/cystic BCC

Small, shiny, skin coloured or pinkish lump

22
Q

What is the treatment for this?

A

This is a keratocanthoma.

Treatment - spontaneous regression within 3 months is common. But it can be difficult to exclude SCC so urgent referral for excision is treatment of choice.

23
Q

What is this?

A

Keratocanthoma

Dermatology (71 decks)

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