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Excision margins

Excision guidelines for Melanoma

  • All excisions should be down to muscle fascia.
  • In Situ Melanoma > 5mm Margin
  • < 2mm Breslow’s depth > 10mm Margin
  • > 2mm Breslow’s depth > 20 mm Margin

Desmoplastic Melanoma

  • > 50 mm Margin

Indication for Sentinel Lymph Node Biospy in Melanoma patients

  • > 1mm Breslow’s depth
  • Mitotic count = or > 1 mm2
  • Clarkes level 4 or 5
  • Ulceration of Melanoma