Irregular hyperpigmented structureless areas (irregular blotch)

From dermoscopedia

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Description In this chapter we describe the dermoscopy term irregular hyperpigmented structureless areas (irregular blotch) and its histopathological correlation
Author(s) Ralph P. Braun · Katrin Kerl · Oriol Yélamos
Responsible author Ralph Braun→ send e-mail
Status unknown
Status update July 2, 2019
Status by Ralph P. Braun


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Atypical blotch 37.jpg



Irregular blotches are defined as those that are asymmetric, have irregular contours, are located off center, and/or display multiple dark hues (i.e., heterogenous dark hues). Irregular blotches are associated with melanoma or dysplastic nevus.

Irregular blotch.jpg
Irregular blotch histopathology.jpg



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