What is the role of imaging studies in the evaluation of common peroneal nerve entrapment?

Updated: Oct 15, 2019
  • Author: Minoo Hadjari Hollis, MD; Chief Editor: Thomas M DeBerardino, MD  more...
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Answer

Plain radiographs may be helpful in excluding underlying traumatic injuries (eg, proximal fibular head fracture) or osseous tumors or in assessing the severity of angular deformities about the knee. CT and MRI are helpful in finding a compressive lesion along the course of the common peroneal nerve in cases in which this is suspected. Metabolic and hematologic studies may be helpful in conditions such as diabetic peripheral polyneuropathy, alcoholic polyneuropathy, polyarteritis nodosa, and hyperthyroidism.


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