X-ray of the thorax in sarcoidosis

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Author: Mikael Häggström [notes 1]

Planning

Choice of modality

Projectional radiography ("X-ray") of the chest is central to evaluation of sarcoidosis.[1]

Routine CT scanning adds little to the diagnosis.[1] HRCT of the chest is needed if the purpose is to distinguish active alveolitis from fibrosi.[1]

Evaluation

There are four stages of pulmonary involvement based on radiological stage of the disease, which is helpful in prognosis:[2]

  • Stage I: bilateral hilar lymphadenopathy (BHL) alone
  • Stage II: BHL with pulmonary infiltrates
  • Stage III: pulmonary infiltrates without BHL
  • Stage IV: fibrosis.

  • Stage III, with typical nodularity, predominantly in the bases of the lungs.

Notes

  1. ↑ For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Radlines:Authorship for details.

References

  1. ↑ 1.0 1.1 1.2 Nader Kamangar. Chief Editor: Zab Mosenifar (2018-03-19). Sarcoidosis Workup. Medscape.
  2. ↑ Kumar and Clark, Clinical Medicine, 8th edition, p. 846.
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