42 citations
,
June 2012 in “Clinical and Experimental Dermatology” Black dots under trichoscopy can appear in different hair and scalp conditions, not just in alopecia areata.
20 citations
,
April 2011 in “British Journal of Dermatology” Reflectance confocal microscopy can tell apart white dots on the scalp as either sweat gland ducts or hair follicle openings.
15 citations
,
November 2016 in “Journal of The American Academy of Dermatology” Exclamation mark hairs suggest early scalp disease, while white dots indicate it's chronic.
13 citations
,
October 2017 in “Anais Brasileiros de Dermatologia” Yellow dots in hair and scalp examinations are important for diagnosing different scalp conditions.
9 citations
,
July 2018 in “International Journal of Dermatology” White and yellow dots indicate severe female hair loss in dark skin.