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Wednesday, 18 August 2010

What is this lesion on a leg (2nd case) ?

A 71-year old woman consulted for this enlarging multi-colored lesion on her right leg.

Dermoscopy revealed:
  • irregular pigmentation
  • atypical pigment network
  • negative pigment network
  • irregularly distributed blotch
  • blue-white veil
in favor of a melanoma.

An excision was performed and pathology revealed a superficial spreading melanoma in vertical extension, Clark level IV, and Breslow index at 3,1 mm.