What is the role of Indium In 111–labeled leukocyte scan in the workup of malignant otitis externa (MEO)?

Updated: Apr 13, 2020
  • Author: Brian Nussenbaum, MD, FACS; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Answer

Indium In 111–labeled leukocyte scan attempts to provide the same sensitivity as a gallium citrate Ga 67 scan but is more specific to an inflammatory process.

It does not appear to provide an improvement in scintigraphic technique for helping to establish the diagnosis. It may be better than gallium citrate Ga 67 scans for assisting in establishing the correct timing of disease resolution.

This test can be unreliable for imaging chronic osteomyelitis in other areas of the body. Thus, the accuracy of this application needs further study.


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