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Alopecia areata is a disease that happens when the immune system attacks hair follicles and causes hair loss. Hair follicles are the structures in skin that form hair. While hair can be lost from any part of the body, alopecia areata usually affects the head and face. Hair typically falls out in small, round patches about the size of a quarter ...
Doctors usually diagnose alopecia areata by: Examining the areas where the hair has been lost and looking at your nails. Examining your hair and hair follicle openings using a handheld magnifying device. Asking about your medical and family history. Other health conditions can cause hair to fall out in the same pattern as alopecia areata.
Related Information. Click the button to see different options to sign up for newsletters. Alopecia areata causes hair loss, mostly in small, round patches. Learn more about the causes & how to cope with hair loss.
Alopecia areata en placas. En este tipo, que es el más frecuente, la caída del pelo ocurre en una o más placas del tamaño de una moneda en el cuero cabelludo u otras partes del cuerpo. Alopecia total. Las personas con este tipo tienen caída total o casi total del pelo en el cuero cabelludo. Alopecia universal.
In addition to genetics, researchers believe that environmental factors play a part in alopecia areata. Scientists are investigating whether factors such as stress, diet, or the microbiome (the collection of all the microbes that inhabit the human body) are disease triggers. Janus kinase (JAK) inhibitors are a newer class of drugs that, when ...
What is alopecia areata? It is a condition that attacks your hair follicles (they make hair). In most cases, hair falls out in small, round patches.
Los medicamentos inhibidores de la quinasa Janus (JAK) son una clase más moderna de fármacos que, cuando se toman por vía oral, han demostrado ser eficaces en el tratamiento de casos extensos de alopecia areata. Sin embargo, el pelo tiende a volver a caerse cuando se deja de tomar el medicamento. Se están llevando a cabo estudios clínicos ...
Por lo general, los médicos diagnostican la alopecia areata haciendo lo siguiente: Examinan las zonas de caída del pelo y observan las uñas. Examinan el pelo y los orificios de los folículos pilosos usando una lupa de mano. Preguntan sobre sus antecedentes médicos y los de su familia. Otras afecciones de salud pueden hacer que el pelo se ...
Dr. Castelo-Soccio's research covers the natural history of pediatric alopecia areata including epidemiology, associated co-morbidities, and response to therapy. She specializes in the use of imaging tools and develops guidelines for pediatric alopecia. Dr. Castelo-Soccio also studies the microbiome of hair disorders with the goal of developing ...
Educational Resources for Students and Teachers. NIAMS offers science-based classroom materials and activities for teachers to build accurate, age-appropriate lesson plans about bones, joints, muscles, and skin for students in grades 4, 5, and 6.