Pulmonary sarcoidosis (staging on chest radiograph)

Pulmonary sarcoidosis may be classified on a chest radiograph into 5 stages 1-2:

  • stage 0: normal chest radiograph
    • 5-10% of patients at presentation
  • stage I: hilar or mediastinal nodal enlargement only
    • 45-65% of patients at presentation
    • 60% go onto complete resolution
  • stage II: nodal enlargement and parenchymal disease
    • 25-30% of patients at presentation
  • stage III: parenchymal disease only
    • 15% of patients at presentation
  • stage IV: end-stage lung (pulmonary fibrosis)

Although in general patients progress from one stage to the next this system does to correlate particularly well on clinical severity 1,2. In fact, chest x-ray appearances often are more dramatic than functional impairment 2.


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Article Information

rID: 4997
System: Chest
Synonyms or Alternate Spellings:
  • Sarcoidosis on chest radiograph
  • Sarcoidosis on CXR classification
  • Chest x-ray staging of sarcoidosis
  • Chest radiograph staging of pulmonary sarcoidosis

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