Shiny white structures

From dermoscopedia

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 Editor: Ralph P. Braun

 Author(s): Ralph P. Braun     ·  Katrin Kerl     ·  Oriol Yélamos
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Description In this chapter we describe the histopathological correlation of shiny white structuresThis glossary term has not yet been described..
Author(s) Ralph P. Braun · Katrin Kerl · Oriol Yélamos
Responsible author Ralph Braun→ send e-mail
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Status update May 27, 2019
Status by Ralph P. Braun


In this chapter we describe the histopathological correlation of shiny white structures.

It has the following subchapters:

Shiny white streaks Ralph P. Braun, Oriol Yélamos
Shiny white blotches and strands-2 N.N.
Rosettes Ralph P. Braun


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Shiy white structures schematic 28.jpg

Shiny white structuresThis glossary term has not yet been described. (SWS) (formerly known as crystalline structuresThis glossary term has not yet been described. or chrysalis) are only seen with polarized 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. and may require the operator to rotate the dermatoscopeThis 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. over the lesion to see them (angular dependence). SWS include shiny white streaksWhite lines that appear parallel and perpendicular to each other on polarized dermoscopy, shiny white blotches and strandsWhite structures in the form of circles, oval structures, or large structureless areas that are bright-white longer and less well defined lines oriented parallel or distributed haphazardly, or forming blotches (shiny white clods). Seen only under polarized dermoscopy., and rosettesFour bright white dots or clods arranged together as a square (or a four leaf clover). SWS are white lines oriented orthogonally, parallel or perpendicularly to each other (Kittler et al., 2016a). Histologically, they correlate to stromal alteration and fibrosis (increased dermal collagen), and are secondary to the birefringent properties of collagen bundles (Pizzichetta et al., 2014). Shiny white streakslines radial (always at periphery) streaks Reed nevus melanoma recurrent nevus can be observed in melanomas, atypical genitalThis glossary term has not yet been described. neviThis glossary term has not yet been described., Spitz neviThis glossary term has not yet been described., and LPLKs (Pizzichetta et al., 2014; Shitara et al., 2014). They also correlate with dermal invasion in cases of melanomaThis glossary term has not yet been described. (Balagula et al., 2012).


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