Frontal fibrosing alopecia (FFA) and alopecia areata (AA) are disorders that affect the hair follicle, resulting in alopecia. To our knowledge, the concomitant association of the two conditions has not been reported previously. Here, we report a case of a postmenauposal woman presenting concomitant FFA and AA.
To the Editor, Hereditary vitamin D-resistant rickets (HVDRR) is a rare autosomal recessive disorder. It is caused by mutations in the vitamin D receptor (VDR) gene on chromosome 2. It results from end-organ resistance to 1,25(OH)2D3. 1 Alopecia can be the initial clinical finding in affected neonates or occurs during the first few months of life.
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