Churg-Strauss syndrome other diagnostic studies
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Other Diagnostic Studies
The following studies can be helpful in diagnosing eosinophilic granulomatosis with polyangiitis.
- Bronchoalveolar lavage:
- Shows marked eosinophilia. Presence of marked eosinophilia on bronchoalveolar lavage is not specific for the diagnosis of eosinophilic granulomatosis with polyangiitis.
- Biopsy
- Because of the multiple organ involvements, the biopsy should be obtained from any of the following organ sites:
- Biopsy findings may include eosinophilic infiltration, vasculitis of small and medium-sized vessels and granuloma formation.