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Saturday 28 June 2014





A 28-year-old patient consulted for this pigmented lesion on his right forearm.



Dermoscopy revealed:

  • multiple patches of pigmentation
  • without background pigmentation



Clinical and dermoscopic examination were in favor of an agminated nevus.

Differential diagnosis is nevus spilus: this one includes a tan background patch which is not present in agminated nevus.

Saturday 21 June 2014





A 28-year-old woman consulted for this lesion on her right arm.


 Clinical picture


Dermoscopic picture



Dermoscopy revealed a targetoid lesion:

  • a central globular pattern (black arrow) in favor of a melanocytic nevus
  • a peripheral ecchymotic halo (red arrow)
  • a central hemorrhagic crust (yellow arrow)

This lesion was a hemosiderotic targetoid nevus.


Wednesday 4 June 2014

Regression




A 48-year-old woman presented this pigmented lesion on her back. 



 1: clinical picture

 2: dermoscopic picture

3: dermoscopic picture

  4:  dermoscopic picture



Dermoscopy revealed:
  • regression areas with some depigmentation (green arrows and ovoid area)
  • blue gray structures (blue arrows) and blue gray dots (peppering)
  • linear irregular vessels (black arrows)



Lesion was excised and pathology revealed a regressive superficial spreading melanoma with Breslow index at  0,39 mm