What is the role of imaging studies in the workup of persistent depressive disorder (dysthymia)?

Updated: Oct 01, 2019
  • Author: Jerry L Halverson, MD; Chief Editor: David Bienenfeld, MD  more...
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While functional magnetic resonance imaging (fMRI) offers promise in the differential diagnosis of dysthymia, it remains strictly a research tool.

Single-photon emission computed tomography (SPECT) scanning is being offered commercially at some centers, but the existing database on depression may not be adequate, rendering this to likely be limited to an experimental study for the depressive spectrum.

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