143 citations
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October 2008 in “Journal of The American Academy of Dermatology” Comma hairs are a specific sign of tinea capitis when viewed with videodermatoscopy.
5 citations
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November 2012 in “Actas Dermo-Sifiliográficas” Comma hairs are a new sign for identifying scalp fungal infections.
15 citations
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November 2016 in “Journal of The American Academy of Dermatology” Exclamation mark hairs suggest early scalp disease, while white dots indicate it's chronic.
April 2012 in “Journal of the American Academy of Dermatology” Dermoscopy can help diagnose tinea capitis in children by looking for comma hairs, black dots, and broken hairs with white bands.
108 citations
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March 2011 in “Archives of Dermatology” Corkscrew hair may be a new sign for quickly diagnosing scalp fungus in black children.