Which lab studies are performed in the workup of abducens nerve palsy (sixth cranial nerve palsy)?

Updated: Nov 19, 2018
  • Author: Michael P Ehrenhaus, MD; Chief Editor: Edsel Ing, MD, MPH, FRCSC  more...
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See the list below:

  • Complete blood cell (CBC) count
  • Diabetes testing (glucose, glycosylated hemoglobin [HbA1C], glucose tolerance test)
  • Erythrocyte sedimentation rate, C-reactive protein, and platelets in patients older than 50 years
  • Acetylcholine receptor antibodies in the presence of variable strabismus or ptosis

The following are not mainstream tests for abducens palsy but can be considered:

  • Rapid plasma reagin test
  • Fluorescent treponemal antibody-absorption test
  • Lyme titer
  • Antinuclear antibody test

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