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Clinical Medicine Final Exam > Dermatology > Flashcards

Flashcards in Dermatology Deck (59)
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1

What is the most common eyelid malignancy lesion? What is the percentage?

BCC - 90%

2

t/f: basal cell carcinoma has a high chance of metastasis

f: low chance

3

Basal cell carcinoma is present along what part of the eyelid? Most commonly found in what type of areas?

- lower eyelid
- UV exposed areas

4

If an optometrist suspects basal cell carcinoma – what do we have to watch out for?

lash loss

5

What type of lenses can a patient wear to prevent UV exposure?

poly

6

What is the CLASSIC description of basal cell carcinoma?

PEARLY, TELANGIECTATIC LESION

7

How many forms does basal cell carcinoma have? What are they? Describe them.

o Nodular: hard, elevated mass; can have central ulceration

o Morpheaform: firm, flat, subcutaneous lesion with indistinct borders (harder to completely excise)

8

t/f: basal cell carcinoma is the local invasion and destruction of moll glands and lashes

f: meibomian gland

9

t/f: basal cell carcinoma can reoccur – but not likely in the same area

t

10

is squamous cell carcinoma malignant or benign?

malignant

11

squamous cell carcinoma is a malignant tumor of keratinocytes resulting in what?

CRUSTING/HYPERKERATINIZED, erythematous elevated lesions

12

t/f: squamous cell carcinoma ulcerates and are tender/painful

t

13

how does a squamous cell carcinoma lesion arise? Or from what other skin condition?

Arise spontaneously, or from actinic keratosis

14

squamous cell carcinoma can be pre-empted by what two things?

immunosuppression or HPV

15

What is the greatest risk for developing squamous cell carcinoma?

cumulative UV exposure

16

How can a patient prevent squamous cell carcinoma?

daily sunscreen use and sun protection

17

What is the second most common cause of skin cancer?

SCC

18

Is basal cell carcinoma or squamous cell carcinoma more aggressive?

SCC >>>>> BCC

19

Can squamous cell carcinoma metastasize?

yes - much more likely to result in death due to metastasis than BCC

20

How is squamous cell carcinoma diagnosed?

deep shave biopsy

21

t/f: any scaly, crusty lesion on the face must be ruled out for squamous cell carcinoma – no matter how small

t

22

what is the prognosis of the squamous cell carcinoma dependent on?

dependent on the location of the tumor, and on size

23

What is the treatment for squamous cell carcinoma?

complete excision

24

What is the classic sign of a nevus?

hyperpigmentation

25

What lesion is considered to be a true neoplasm?

nevus

26

A nevus is a precursor lesion – is there variation of pigment throughout?

no

27

In a nevus proliferation of __________ that may be associated with hair.

melanocytes

28

Is hair in a nevus a good or bad sign?

good

29

Describe a freckle.

enlargement of melanocytes – truly benign

30

What are the three categories of a nevus? Describe them.

- Congenital: present at birth / shortly after

- Acquired: UV-related, uniform in color, well delineated, flat / slightly elevated

- Dysplastic: precursor for melanoma (ABCDE)