Frontal Fibrosing Alopecia and Sunscreen Use: A Cross-sectional Study of Actinic Damage
Metadatos
Mostrar el registro completo del ítemAutor
Porriño Bustamante, María Librada; Montero Vílchez, Trinidad; Fernández Pugnaire, María Antonia; Arias Santiago, Salvador AntonioEditorial
Acta Dermato-Venereologica
Materia
Frontal fibrosing alopecia Sunscreen Actinic damage Histopathology Trichoscopy
Fecha
2022-08-11Referencia bibliográfica
Porriño-Bustamante, M. L... [et al.]. (2022). Frontal Fibrosing Alopecia and Sunscreen Use: A Cross-sectional Study of Actinic Damage. Acta Dermato-Venereologica, 102, adv00757. [https://doi.org/10.2340/actadv.v102.306]
Resumen
Patients with frontal fibrosing alopecia report higher
rates of sunscreen use than control subjects. However,
it is not known whether the higher use of sunscreens is
a cause or a consequence of the alopecia. A greater use
of sunscreens should be associated with a lower incidence
of signs of actinic damage. The aim of this study
is to assess the presence of actinic damage in patients
with frontal fibrosing alopecia. A cross-sectional study
was carried out on 101 patients with frontal fibrosing
alopecia and 40 control subjects. The presence of actinic
damage, in the form of solar lentigines, actinic
keratoses, and basal and squamous cell carcinomas,
was recorded in both groups, together with sunscreen
use. Trichoscopy and skin biopsy were performed on
patients. Actinic damage was present more frequently
in patients with frontal fibrosing alopecia (69.3%)
than in control subjects (50%) (p = 0.031). Patients
used sunscreens more frequently than did control subjects
(83.2% vs 62.5%, p = 0.008). However, the prevalence
of trichoscopic inflammatory signs, peripheral
alopecia, and inflammatory infiltrate and sebaceous
gland involvement in skin biopsy, were similar in patients
who used sunscreens and those who did not use
them. In conclusion, patients with frontal fibrosing
alopecia had greater actinic damage than did control
subjects, and this is hypothesized as a reason for the
higher use of sunscreens among patients. Thus, use of
sunscreens may not be the trigger for frontal fibrosing
alopecia that dermatologists have proposed.