Skin Cancer

Question 1

Characteristics of a SCC

Answer 1

§ Thickened Nodules
§ Hyperkeratotic/Scaly
§ Tender on palpation
§ May bleed easily or ulcerate

Question 2

Characteristics of a BCC

Answer 2

• Pearly nodule with central ulceration (5mm)

- Telangiectasia across the lesion

Question 3

What are the 4 subtypes of BCC

Answer 3

Nodular, pigmented, superficially invasive and - Infiltrative/Morphoeic/Sclerosing

Question 4

What is another common non-pigmented skin condition

Answer 4

Actinic Keratoses

Question 5

Characteristics of Actinic Keratoses

Answer 5

○ Scaly lesions on dorsum of hand
○ Aka sunspots
- Can progress into SCC

Question 6

What are the different types of Pigmented naevi

Answer 6

COngenital, benign, dysplastic and malignant

Question 7

Different types of Benign pigmented navia

Answer 7

Junctional, compound and intradermal

Question 8

Examples of benign pigmented naevi

Answer 8

Mole, lentigines, freckles, seborrhoeic karatoses and seborrhoeic solar keratosis

Question 9

What are lentigines

Answer 9

Sun induced pigmented macules in high concentration in areas of burn or chronic sun exposure

Question 10

What are Seborrhoeic keratoses

Answer 10

Warty pigmented papule

Question 11

what are the 5 features of a melanoma that should be observed

Answer 11

○ Asymetrical
	○ Border's not defined
	○ Colour changes
	○ Diamters >5mm
	○ Evolution
With itch, pain and bleeding

Question 12

What are the 4 melanoma subtypes

Answer 12

Superficial spreading (80%), lentigo maligna, acral lentiginous and nodular

Question 13

Describe lentigo maligna

Answer 13

slow growing, usually on face that leads to a gradually enalarging melanoma

Question 14

Describe acral lentiginous

Answer 14

Often present on hands and feet

Question 15

Differences of nodular melanoma

Answer 15

Doesn't follow ABCDE  and is rapidly growing and invasive
Rather has EFG
Elevated
Firmness
Growing