String of pearls pattern

From dermoscopedia
Main PageVascular structuresString of pearls pattern
(1 vote)
Description Describes dermoscopy of string of pearls pattern as seen in clear cell acanthoma
Author(s) Ralph P. Braun
Responsible author Ralph Braun→ send e-mail
Status unknown
Status update June 29, 2017
Status by Ralph P. Braun

String of pearls schematic.jpg

This pattern represents the unique appearance of dotted or glomerular vessels arranged in a serpiginous distribution that may appear like a “string of pearls.” This pattern is highly suggestive of a diagnosis of clear cell acanthoma[1].

Clear cell acanthoma displaying string of pearls pattern


  1. Marghoob & Braun: Proposal for a revised 2-step algorithm for the classification of lesions of the skin using dermoscopy. Arch Dermatol 2010;146:426-8. PMID: 20404234. DOI.
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