Rosacea

Rosacea

Updated: 12/21/2023
© Jun Wang, MD, PhD
 
General features
  • AKA acne rosacea
  • May involve skin or eye
  • More common in light skin populations, adult
  • Five subtypes
    • Erythematotelangiectatic
    • Granulomatous
    • Papulopustular
    • Phymatous
    • Ocular
  • Usually clinical diagnosis
Pathogenesis
  • Unclear etiology, likely multi-factorial
  • Immune dysfunction
  • Ultraviolet radiation
  • Physical or chemical trauma 
  • Microorganisms: Demodex mites (D. folliculorum and D. brevis), bacillus oleronius
  • Vascular hyper-reactivity
  • Probably genetic background: family history
Clinical features
Pathological findings
Management
  • Avoid triggering factors
  • Laser, surgery, etc


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