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. 2020 Nov 13;13:837–855. doi: 10.2147/CCID.S224738

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© 2020 Iznardo et al.

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Schiffner progression model fo LM/LMM. Initially asymmetric pigmentation and dots around the follicle are seen (A), which later evolve to rhomboidal structures (B) and finally form homogeneous pigmented areas and cause obliteration of the follicular openings (C). Adapted with permission from Dermoscopedia (https://creativecommons.org/licenses/by-nc-sa/4.0/).¹⁵⁸