30 citations,
May 1980 in “Journal of the American Academy of Dermatology” Alopecia areata can cause spotty white areas on nails.
43 citations,
June 2008 in “Journal of cutaneous pathology” Melanocyte precursors in human fetal skin follow a specific migration pattern and some remain in the skin's deeper layers.
16 citations,
January 2014 in “The American Journal of Dermatopathology” Pigmented casts are common in several hair loss conditions and can help diagnose specific types of alopecia.
April 2012 in “Informa Healthcare eBooks” Alopecia areata is a common autoimmune condition causing varying hair loss, diagnosed by specific patterns of inflammation around hair follicles, with several treatment options available.
17 citations,
January 2013 in “Dermatologic Clinics” The conclusion is that accurate diagnosis of different types of hair loss requires careful examination of tissue samples and understanding of clinical symptoms.