What determines the excision margin of a wide local excision for a melanoma?
The Breslow thickness
How do you assess a mole?
A - Asymmetry
B - Boarder
C - Colour
D - Diameter >6mm
E - Elevated
F - Firm
G - Growing
Assess for local spread
What are some risk factors for melanoma?
Complexion - fair skin and hair
Outline the Breslow classification system and how the categories dictate excisional margins
In situ - 5mm
<1mm - 1cm
1-4mm - 1-2cm
>4mm - 2cm
How are melanomas removed?
Wide local excision
How are melanomas classified?
Superficial spreading melanoma (80%)
Lentigo maligna melanoma
Acral lentiginous melanoma
In which age group is melanoma most common?
4th Most common cancer in Australia in males and females
When is sentinel LN biopsy indicated?
How do you biopsy a mole?
Biopsy with 2mm margin
Orientation the excision along the long axis on extremities or along the lines of relaxed skin tension
What are some prognostic factors for melanoma?
Mitotic count (no. mitosis per mm2)
What is neurotropism?
Travel along the nerve
How is T in TNM staging determined?
Where do you commonly find melanomas in males and females?
Males - Trunk, head and neck
Females - Legs
What are some symptoms of melanoma?
Change in size, colour, shape or border
What is the challenged with nodular melanoma?
Majority are amelanotic
What is the best biopsy technique for pigmented lesions?
When should a sentinal node biopsy be taken?
If the lesion is >1mm thick