A pigmented lesion

A 32-year-old man had his moles checked up.

Dermoscopy revealed:

• whitish globules  / white cobblestone pattern
• Light-brown peripheral network

 In favor of an accessory nipple

Central white cobblestone pattern

 Reference:

Dermoscopy of accessory nipples in authors’ own study 

G. Kamińska-Winciorek, J. Szymszal, W. Silny

Postep Derm Alergol 2014; XXXI, 3: 127–133

Traumatized nevus

A 25-year-old woman consulted for a nevus on her left knee which had been traumatized.
Dermoscopy revealed a cobblestone pattern and a white featureless area (loss of pigmentation) due to the traumatism.