Clue 1 Thick lines reticular or branched especially peripheral
Clue 2 Lines parallel Ridges
Clue 3 Lines Radial or Pseudopods segmental
Clue 4 Grey or Blue structures
Clue 5 Grey Dots
Clue 6 Black dots or Clods peripheral
(Note black dots or clods peripheral represent nests of melanocytes in the epidermis, a major histological feature of superficial spreading melanoma. However brown clods peripheral which represent nests at the dermoepidermal junction may also be a significant sign of melanoma in adults especially if segmental, varying in colour and size.)
Clue 7 Eccentric structureless areas or Blue Grey or Blue White structureless
Clue 8 White lines
Clue 10 Varying shades of pink within a lesion
Multiple Combined Clues