Trichoscopy findings in loose anagen hair syndrome: rectangular granular structures and solitary yellow dots

[摘要] Loose anagen hair syndrome (LAHS) is typically diagnosed in girls older than 2 years who present with hair that "will not grow". Hair microscopic examination shows absent inner and outer root sheaths, ruffling of the cuticle on the proximal hair shaft and deformed pigmented anagen bulbs.

[学科分类] 皮肤病学

[关键词] alopecia;dermatoscopy;dermoscopy;hair;hair loss