Congenital melanocytic nevi

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Main PageBENIGN MELANOCYTIC LESIONSCongenital melanocytic nevi
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 Author(s): Lauren Fried
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Below are dermoscopic features commonly associated with the diagnosis “Congenital melanocytic nevi”.[1] The example images have been approved by a panel of experts as representative of each given feature.

For a more in-depth discussion of associated features, please see the Dermoscopedia page for “Congenital melanocytic nevi”.

Cobblestone pattern / globular pattern

Polygonal globules symmetrically distributed throughout lesion.[1]

Reticular network

Grid-like pattern consisting of interconnecting pigmented lines surrounding hypopigmented holes.[2]

Diffuse background pigmentation


Perifollicular hyper/hypopigmentation

  1. Fried LJ, Tan A, Berry EG, et al. Dermoscopy Proficiency Expectations for US Dermatology Resident Physicians: Results of a Modified Delphi Survey of Pigmented Lesion Experts. JAMA Dermatol. Published online January 06, 2021. doi:10.1001/jamadermatol.2020.5213
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