8 citations,
January 2013 in “International journal of trichology” Two people had unusual ring-shaped hair loss due to an autoimmune disorder.
Tumid lupus erythematosus can cause non-scarring hair loss on the scalp and requires careful diagnosis.
April 2016 in “Actas Dermo-Sifiliográficas” The document concludes that a unique target-like hair regrowth pattern in alopecia areata may be more common than thought and should be properly identified.
19 citations,
August 2018 in “International Journal of Dermatology” Lupus panniculitis of the scalp causes linear hair loss and needs ongoing treatment to prevent recurrence and lupus.
44 citations,
April 2012 in “American Journal of Clinical Dermatology” Scarring alopecias are complex hair loss disorders that require early treatment to prevent permanent hair loss.