Overview of benign nevi patterns

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Main PageBENIGN MELANOCYTIC LESIONSOverview of benign nevi patterns
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 Author(s): Lauren Fried
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Below are dermoscopic features commonly associated with the diagnosis “Overview of benign nevi patterns”.[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 “Overview of benign nevi patterns”.

Diffuse reticular network[edit]

A pigment network has a grid-like pattern consisting of interconnecting pigmented lines surrounding hypopigmented holes. A typical network has minimal variability in the color, thickness, and spacing of the lines and symmetrically distributed throughout the lesion.[1]

Patchy reticular network[edit]

Islands of pigment network symmetrically distributed throughout the entire lesion.[2]

Peripheral reticular network with central hypopigmentation[edit]

Peripheral reticular network with central hyperpigmentation[edit]

Peripheral reticular network with central globules[edit]

Homogeneous (tan, brown, blue, or pink)[edit]

Central network with evenly distributed peripheral globules[edit]

Globular pattern[edit]

Regular globules have minimal variability in their color, size and shape.[3]

Two-component pattern[edit]

Symmetric multi-component pattern[edit]

A multi-component pattern consists of a combination of reticular, globular and homogenous pattern in the same lesion.[4]

  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