How is thoracic outlet syndrome diagnosed?

Updated: Jan 10, 2019
  • Author: Daryl A Rosenbaum, MD; Chief Editor: Sherwin SW Ho, MD  more...
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In thoracic outlet syndrome with vascular compromise or nerve compression, with resultant atrophy of the intrinsic hand muscles, the diagnosis is not controversial and specific tests can confirm the diagnosis. However, no infallible clinical tests, laboratory tests, radiographic tests, or electrical studies establish the diagnosis of thoracic outlet syndrome syndrome in patients with disputed or nonspecific-type thoracic outlet syndrome. [25] Many tests are available to refine the differential diagnosis and confirm or exclude other potential conditions (see Differentials and Other Problems to Be Considered).

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