Dermoscopic structures in melanocytic neoplasms

From dermoscopedia

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 Editor: Ralph P. Braun

 Author(s): Oriol Yélamos     ·  Katrin Kerl     ·  Ralph P. Braun     ·  Daniel Morgado     ·  Constanza Riquelme-Mc Loughlin
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Description This chapter describes the different dermoscopyThe examination of [skin lesions] with a 'dermatoscope'. This traditionally consists of a magnifier (typically x10), a non-polarised light source, a transparent plate and a liquid medium between the instrument and the skin, and allows inspection of skin lesions unobstructed by skin surface reflections. Modern dermatoscopes dispense with the use of liquid medium and instead use polarised light to cancel out skin surface reflections. structuresThis glossary term has not yet been described. seen in melanocyticThis glossary term has not yet been described. neoplasms such as pigment networkGrid-like pattern consisting of interconnecting pigmented lines surrounding hypopigmented holes., dotsDots are small, round structures of less than 0.1 mm in diameter that have a red color when corresponding to blood vessels; however, when due to melanin, their color ranges from black, brown, to blue-gray depending on the depth and concentration of the melanin in the skin (Tyndall effect)., globules streakslines radial (always at periphery) streaks Reed nevus melanoma recurrent nevus etc.
Author(s) Oriol Yélamos · Katrin Kerl · Ralph P. Braun · Daniel Morgado · Constanza Riquelme-Mc Loughlin
Responsible author Ralph Braun→ send e-mail
Status released
Status update April 1, 2019
Status by Ralph P. Braun


This chapter describes the different dermoscopy structures seen in melanocytic neoplasms such as pigment network, dots, globules streaks etc.

It has the following subchapters:

Pigment network Oriol Yélamos, Katrin Kerl, Ralph P. Braun
Negative network Oriol Yélamos, Katrin Kerl, Ralph P. Braun
Angulated lines Oriol Yélamos, Katrin Kerl, Ralph P. Braun
Globules Oriol Yélamos, Katrin Kerl, Ralph P. Braun
Dots Oriol Yélamos, Ralph P. Braun
Streaks Ralph P. Braun, Oriol Yélamos
Homogenous blue pattern Ralph P. Braun, Oriol Yélamos
Structureless areas Ralph P. Braun, Katrin Kerl, Oriol Yélamos
Regression structures / Blue white structures Ralph P. Braun, Katrin Kerl, Oriol Yélamos
Shiny white structures Ralph P. Braun, Katrin Kerl, Oriol Yélamos
Blue white veil Ralph P. Braun, Oriol Yélamos


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