En resumen
Puntos clave
- ✓Starts around hairs
- ✓Dots may enlarge
- ✓More likely in hairy areas
- ✓White hair can affect response
How the pattern develops
Small islands of colour may widen and merge. Progress is usually gradual and uneven across a patch.
Why some areas lack this sign
Areas with few follicles, such as parts of fingers and toes, have fewer follicular reservoirs and often respond less readily.
Editorial basis: current AWMF S2k guideline on the diagnosis and treatment of vitiligo, register 013-093, version 2.0 dated 27 July 2026. Reviewed on 2 September 2026.
Las fuentes se citan en el texto; los enlaces comerciales solo llevan a páginas IDEALDERM aprobadas.