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Saturday 29 November 2008

Seborrheic keratosis

A 50-year-old woman consulted for an enlarging and pruritic lesion on her back.

This pigmented lesion was characterized in dermoscopy by:
  • absence of pigment network
  • sharp demarcation
  • presence of milia-like cysts
  • comedo-like openings
This dermoscopic presentation was typical of a seborrheic keratosis.