Irregular dots

From dermoscopedia

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 Editor: Ralph P. Braun

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Description This chapter covers the dermoscopy term irregular dots and its histopathological correlation
Author(s) Ralph P. Braun · Oriol Yélamos
Responsible author Ralph Braun→ send e-mail
Status released
Status update July 2, 2019
Status by Ralph P. Braun


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Dots schematic 24.jpg

Irregular dots tend to be heterogenous in size, shape and color and are frequently found at the periphery of a given lesion or scattered throughout the lesion.

In melanomas, dots are irregularly distributed and may be found focally at the periphery of lesions. Blue-gray dots can also correspond with small dermal aggregates of pigmented BCC. Red dots are equivalent to dotted vessels and can be seen in diverse cutaneous tumors such as keratinocyte carcinomas, Spitz nevi and melanomas [1].

  1. Massi et al.: Histopathologic correlates of dermoscopic criteria. Dermatol Clin 2001;19:259-68, vii. PMID: 11556235.