research Study of Human Leukocyte Antigen ( HLA ) in 13 cases of familial frontal fibrosing alopecia: CYP 21A2 gene p.V281L mutation from congenital adrenal hyperplasia linked to HLA class I haplotype HLA ‐ A*33:01 ; B*14:02; C*08:02 as a genetic marker
A genetic marker linked to a type of hair loss was found in most patients studied.

