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Friday, 22 July 2011

Back lesion

A 54-year-old woman consulted for this changing lesion on her back.

Dermoscopy revealed:

  • multiple colours, irregular pigmentation
  • a multi-component pattern
  • an atypical reticular pattern
  • irregular streaks (yellow arrow)
  • irregular dots and globules (orange arrow)
  • irregular blotches (green arrow)
  • peppering, regression (white arrow)

Pathology revealed a superficial spreading melanoma (SSM) with a Breslow index at 0.33 mm