Alopecia areata

Classification: Alopecia areata
- Alopecias are divided into scarring and nonscarring forms.
- When evaluating a patient who complains of hair loss,
- It is most important to determine if follicular markings are present or absent.
  - Present follicular markings suggest nonscarring alopecia;
  - Absent follicular markings suggest scarring alopecia.
- Alopecia areata is occasionally associated with autoimmune disorders, including Hashimoto thyroiditis, pernicious anemia, Addison disease, and vitiligo.
- Additional comorbidities may include SLE, atopy, and mental health disease.
Reference from CMDT (61st Ed), Pg no: 161

Alopecia areata

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