What is the role of gallium scanning in the workup of sarcoidosis?

Updated: Sep 15, 2020
  • Author: Nader Kamangar, MD, FACP, FCCP, FCCM; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Answer

Prior to the ease and availability of bronchoscopy, gallium scanning was occasionally used as a diagnostic test. It may still be helpful in a subset of patients in whom the clinical picture remains confusing despite histologic evidence of noncaseating granulomas (NCGs) (eg, differentiating chronic hypersensitivity pneumonitis from sarcoidosis).


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