II. Causes

  1. Similar list of causes as Bronchiolitis Obliterans
  2. Idiopathic form: Cryptogenic Organizing Pneumonia

III. 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

IV. Symptoms

  1. Non-productive cough
  2. Dyspnea

V. Signs

  1. Diffuse rales
  2. Rare Wheezes

VI. Imaging: Chest XRay

  1. Variable appearance (may be normal)
  2. Bilateral ground glass, patchy appearance (most common)
  3. Diffuse nodular pattern

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