malignant melanoma

Question 1

risk facotrs

Answer 1

UV radiation

genetic susceptibility: fair skin, red hair, blue eyes, tendency to burn

Question 2

types of melanoma - superficial spreading

Answer 2

most common

typically affecting arms, legs, back, chest, young people

growing mole

Question 3

types of melanoma - most aggresive

Answer 3

nodular

Question 4

types of melanoma - nodular

Answer 4

2nd most common

typically affects sun exposed skin, middle aged people

Question 5

nodular melanoma - features

Answer 5

red or black lump

lump which bleeds or oozes

Question 6

types of melanoma - lenitgo maligna

Answer 6

chronically sun exposed skin, older people

growing mole

Question 7

types of melanoma - acral lentiginous - typically affects

Answer 7

nails, palms or soles

african americans or asians

Question 8

Acral lentiginous features

Answer 8

subungual pigmentation

or on pallms or feet

Question 9

major criteria

Answer 9

change in shape
change in size
change in colour

Question 10

minor criteria

Answer 10

diameter 7mm +
inflammation
oozing or bleeding
altered sensatiom

Question 11

margins of excision - lesion 0-1mm thick

Answer 11

1cm

Question 12

margins of excision - lesion 1-2mm thick

Answer 12

1-2cm depending on site and pathological features

Question 13

margins of excision - 2-4mm

Answer 13

2-3cm depending on site and pathological features

Question 14

margins of excision - >4mm

Answer 14

3cm

Question 15

ABCDE assessment

Answer 15

assymetry 
border irregularity 
colour variation 
diameter >6mm
evolves over time

Question 16

Breslow thickness

Answer 16

depth of the tumour

strong predictor of outcome

Question 17

Breslow thickness - >1mm

Answer 17

sentinal node biopsy should be carried out