Fibrotic frontal alopecia is a type of hair plane lichen that causes scarring alopecia at the hairline.
What are the symptoms of Fibrotic Alopecia Frontalis?
Fibrotic frontal alopecia mostly affects the frontal and temporal regions of the scalp. The affected areas are characterized by an abnormal thickening of the most superficial layer of the skin and the presence of a cutaneous erythema around the hair orifices, which progressively atrophy. The inflammation leads to scar-like alopecia that affects the outer area of the scalp. This is known as crown alopecia. Fibrotic frontal alopecia often develops at the same time as eyebrow alopecia.
Is it common?
No, this is a very rare disease. However, it seems that the number of cases of Fibrotic Alopecia Forehead is currently on the rise. It primarily affects women after menopause, but there are cases reported in both men and young women.
What is the cause of Fibrotic Alopecia Frontalis alopecia?
The cause of Fibrotic Alopecia Frontalis is still unknown. Some researchers suggest that it is caused by hormones, while others have identified a connection with a disturbance in the immune system. It should be noted that Fibrotic Alopecia Frontalis is often confused with alopecia aigrae, hence the importance of performing a trichoscopy or hair biopsy on the edge of the affected area to make an accurate diagnosis.