What is the role of imaging studies in the workup of mold- related allergic asthma?

Updated: Sep 18, 2017
  • Author: Shih-Wen Huang, MD; Chief Editor: Harumi Jyonouchi, MD  more...
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Answer

Chest radiographs are used only to look for an ongoing infection, such as middle-lobe syndrome or pneumonia, or for chronic changes of the lung in chronic asthma. A barium swallow study may be used to exclude tracheoesophageal fistula or vascular ring in infants with chronic wheezing.

Sinus radiographs are used to exclude sinusitis in recalcitrant asthma unresponsive to conventional therapy. Look for air-fluid level, mucosal thickening, or opacity in the sinus cavity.

CT scanning of the paranasal sinuses may help in excluding sinusitis in asthma that is unresponsive to conventional therapy. CT scanning of the paranasal sinuses is useful if surgery is indicated for a sinus infection. A lateral view helps in identifying patients with adenoid hypertrophy.


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