What is the role of a chest CT scan in the workup of vasculitis?

Updated: Dec 10, 2018
  • Author: Nadia Jennifer Chiara Luca, MD; Chief Editor: Lawrence K Jung, MD  more...
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In granulomatosis with polyangiitis, nodules (may be cavitary and/or multifocal), ground-glass opacification, air-space opacification, mediastinal lymphadenopathy, and pleural thickening and effusion may be seen. [26]

In Churg-Strauss syndrome, nodules, ground-glass opacification, bronchial wall thickening or dilatation, consolidation, septal thickening, and tree-in-bud pattern may be seen (see the image below). [27]

CT chest in a patient with Churg-Strauss syndrome CT chest in a patient with Churg-Strauss syndrome (CSS) showing multiple nodules.

In microscopic polyangiitis, patchy or confluent bilateral areas of consolidation may be seen, mainly in lower lobes. [28]

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