Resumen
La alopecia areata es una enfermedad de origen multifactorial en la cual intervienen la presencia de factores genéticos, ambientales y autoinmunes locales del folículo piloso que terminan causando la pérdida de cabello. Las presentaciones clínicas pueden ser diversas desde el sisaifo hasta la alopecia universalis o alopecia totalis y aunque se trata de una condición benigna, se ha encontrado una importante asociación con otras enfermedades autoinmunes de carácter no tan benigno. Aunque se desconocen todas las vías fisiopatológicas, se ha documentado evidencia clara de una disregulación de las vías de señalización mediadas por las Janus kinasas entre otras. Actualmente existen múltiples tratamientos tópicos y orales para la Alopecia Areata con resultados variables, los inhibidores de Janus Kinasa son una nueva opción terapéutica en investigación.
Palabras clave
Citas
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