What is the role of imaging studies in the workup of Tourette syndrome (TS) and other tic disorders?

Updated: May 30, 2019
  • Author: William C Robertson, Jr, MD; Chief Editor: Stephen L Nelson, Jr, MD, PhD, FAACPDM, FAAN, FAAP  more...
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Answer

Structural imaging studies are not routinely needed in the evaluation of patients with a typical history and examination findings. These studies are indicated only to exclude specific illnesses suggested by abnormal history or examination findings.

At present, functional imaging studies have no proven clinical utility in the evaluation of tic disorders.

Data from unpublished reports suggest possible future clinical benefits of neuroimaging. For example, caudate volume in childhood is inversely associated with illness severity in adulthood. [155]


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