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Management -
Wide excision with margins
Oncological clearance always comes first
Current national guidelines:
Breslow UK Australia US
thickness (British (Sladden, et al, (American
Association of 2018) Academy of
Dermatologists, Dermatology,
2010) 2011)
In situ 2-5mm 5-10mm 5-10mm
≦1mm 1cm 1cm 1cm
1.01 – 2mm 1-2cm 1-2cm 1-2cm
2.01– 4mm 2-3cm 1-2cm 2cm
>4mm 3cm 2cm 2cm
Current evidence is insufficient to address optimal
excision margins
No evidence to support excision margins > 3cm
Clinical judgement should be exercised taking
into consideration the location of the primary
cutaneous melanoma, disease behaviour and
patient’s condition
