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Sunday 3 August 2008

Lattice-like pattern

A 17-year-old girl consulted for an acral melanocytic lesion on her left toe.

Dermoscopy revealed a lattice-like pattern in favor of a benign acral melanocytic nevus.

Lattice-like pattern
is a subtype of parallel furrow pattern.
It is more often localized on arch areas at the difference of fibrillar pattern which is observed more frequently on pressure areas.

On this figure above, the lattice-like pattern corresponds to the longitudinal and transversal thicker lines and the white circles symbolize eccrine pores.

Other cases of acral nevi:
1  2  3  4  5  6  7  8  9  10  11