Alopecia Areata

Etiology

  • Autoimmune or idiopahtic

Risk Factors

  • Male or female,
  • 20-50 yo,
  • Can be spontaneous or following systemic stress

Symptoms

  • Hair loss that's not otherwise explained
  • Spontaneous or following serious illness
  • If all hair lost→ called alopecia totalis
  • Sometimes spontaneous re-growth

Physical Exam Findings

  • Circumscribed patches or generalized hair loss