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Updated: Apr 26, 2026

A New Technique for Quantitative Analysis of Hair Loss in Mice Using Grayscale Analysis
Published on: March 9, 2015
Patchy alopecia areata sparing gray hairs: a case series
Wei-Xue Jia1, Qiu-Xia Mao1, Xue-Min Xiao1
1Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China. Head of Institute: Prof. Bao-Xi Wang.
Abstract:
Alopecia areata is an unpredictable, non-scarring hair loss condition. Patchy alopecia areata sparing gray hairs is rare. Here we present 4 cases with patchy non-scarring hair loss, which attacked pigmented hairs only and spared gray hairs. It should be differentiated from vitiligo, colocalization of vitiligo and alopecia areata, and depigmented hair regrowth after alopecia areata.
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