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

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