Derm 3 - Skin cancers Flashcards Preview

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Flashcards in Derm 3 - Skin cancers Deck (16):
1

Name the most common malignant skin cancer:

Basal cell carcinoma

2

A slow-growing locally invasive malignant tumour of epidermal keratinocytes...?

Basal cell carcinoma

3

Name some risk factors for basal cell carcinoma:

- UV exposure
- Hx freq/severe sunburn in childhood
- Skin type I - always burns, never tans
- ^ age
- ^M:F
- Immunosuppression
- Prev hx of skin cancer
- FH

4

Nodular, plaque-like, cystic, sclerosis, keratitis and pigmented are all types of which skin cancer?

Basal cell carcinoma

5

What is the most common type of basal cell carcinoma? Describe it:

Nodular:
Small, skin-coloured nodule with surface telangiectasia, a pearly rolled edge, and may have a necrotic or ulcerated centre.

6

Where do basal cell carcinomas usually occur?

- Head and neck

7

What is the treatment of choice for a basal cell carcinoma?

Surgical excision

8

A locally invasive malignant tumour of the epidermal keratinacytes...

Squamous cell carcinoma

9

What are the risk factors for squamous cell carcinoma?

- Excessive UV exposure
- Pre-malignant skin conditions - actinic keratoses
- Chronic inflammation - leg ulcers
- Immunosuppression
- FH

10

A keratotic (scaly, crusty) ill-defined nodule which may ulcerate...

Squamous cell carcinoma

11

What is the treatment of choice for squamous cell carcinomas?

Surgical excision

12

Describe the ABCDE approach to melanomas:

Asymmetric shape
Border irregularity
Colour irregularity
Diameter > 6mm
Evolution

13

An invasive malignant tumour of epidermal melanocytes...

Malignant melanoma

14

Name some risk factors of malignant melanoma:

- Excessive UV exposure
- Skin type I - always burns, never tans
- Hx of multiple moles or atypical moles
- FH
- Prev hx melanoma

15

What are the different types of melanoma?

- Superficial spreading - common on lower limbs
- Nodular - common on trunk
- Lentigo maligna - common on face in elderly
- Acral lentinginous - common on palms, soles, nail beds

16

What is the definitive treatment for malignant melanoma?

Surgical excision