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Related Experiment Video

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Dermoscopy Aids in the Diagnosis of Discoid Lupus Erythematosus

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White shiny structures: dermoscopic features revealed under polarized light.

T N Liebman¹, H S Rabinovitz, S W Dusza

¹Memorial Sloan-Kettering Cancer Center, New York, NY, USA.

Journal of the European Academy of Dermatology and Venereology : JEADV

|November 1, 2011

Summary

White shiny structures in dermoscopy help differentiate skin cancers. Basal cell carcinoma often shows white shiny lines and areas, while melanoma may present short white lines orthogonally.

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Area of Science:

Dermatology
Dermoscopy
Oncology

Background:

White shiny structures (WSS) are unique polarized dermoscopy (PD) findings.
This study investigates WSS prevalence across melanoma, basal cell carcinoma (BCC), squamous cell carcinoma (SCC), actinic keratosis (AK), and lichen planus-like keratosis (LPLK).

Discussion:

BCC frequently exhibits combined white shiny areas and lines, often without organized patterns.
Melanoma WSS are characterized by short, orthogonally distributed white shiny lines, typically without white shiny areas.
Rosettes are more common in actinic tumors.

Key Insights:

The combination of white shiny lines and areas strongly suggests BCC.
Orthogonal, short white shiny lines without white shiny areas are indicative of melanoma.
Rosettes are a key feature of actinic tumors.

Outlook:

Differentiating skin neoplasms using WSS in PD can improve diagnostic accuracy.
Further research may refine WSS criteria for specific diagnoses.
Integration of WSS analysis into routine dermoscopic practice is recommended.