Which radiologic findings suggest granulomatosis with polyangiitis (GPA)?

Updated: Aug 31, 2021
  • Author: Christopher L Tracy, MD; Chief Editor: Herbert S Diamond, MD  more...
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The most common radiologic findings are single or multiple nodules and masses

Nodules are typically diffuse, and approximately 50% are cavitated

Diffuse alveolar opacities, atelectasis, and obstructive pneumonia caused by bronchial stenosis may also be seen

Findings on CT scans include consolidation, patchy or diffuse ground-glass opacities, or both

Additional CT scan findings include stenoses of the larynx or tracheobronchial tree, bronchial wall thickening, bronchiectasis, pleural thickening or effusion, and lymphadenopathy

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