Overview of benign nevi patterns
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Below are dermoscopic features commonly associated with the diagnosis “Overview of benign nevi patterns”. 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
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.
Patchy reticular network
Islands of pigment network symmetrically distributed throughout the entire lesion.
Peripheral reticular network with central hypopigmentation
Peripheral reticular network with central hyperpigmentation
Peripheral reticular network with central globules
Homogeneous (tan, brown, blue, or pink)
Central network with evenly distributed peripheral globules
Regular globules have minimal variability in their color, size and shape.
Symmetric multi-component pattern
A multi-component pattern consists of a combination of reticular, globular and homogenous pattern in the same lesion.
- 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