Bronchiolitis Obliterans with Organizing Pneumonia


Bronchiolitis Obliterans with Organizing Pneumonia, BOOP, Cryptogenic Organizing Pneumonitis, COP

  • Causes
  1. Similar list of causes as Bronchiolitis Obliterans
  2. Idiopathic form: Cryptogenic Organizing Pneumonia
  • Presentation
  1. Slowly resolving Pneumonia over weeks to months
    1. Consider in unresolved Community Acquired Pneumonia
  2. May be associated with fever and Sore Throat
  • Symptoms
  1. Non-productive cough
  2. Dyspnea
  • Signs
  1. Diffuse rales
  2. Rare Wheezes
  1. Variable appearance (may be normal)
  2. Bilateral ground glass, patchy appearance (most common)
  3. Diffuse nodular pattern