How are EMG and NCS used in the workup of diabetic lumbosacral plexopathy?

Updated: Jan 04, 2021
  • Author: Divakara Kedlaya, MBBS; Chief Editor: Milton J Klein, DO, MBA  more...
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Electromyography (EMG) and nerve conduction studies (NCS) should be performed. [15, 16] In patients without distal symmetrical polyneuropathy (DSPN), needle EMG usually shows positive sharp waves and fibrillation potentials in the iliopsoas, hip adductors, and quadriceps, but other muscles may also be involved.

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