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Related Experiment Videos

Posterior interosseous nerve paralysis with multiple constrictions

H Kotani1, T Miki, F Senzoku

  • 1Department of Orthopaedic Surgery, Tamatsukuri Koseinenkin Hospital, Shimane, Japan.

The Journal of Hand Surgery
|January 1, 1995
PubMed
Summary

Multiple constrictions causing posterior interosseous nerve paralysis can be successfully treated. Surgical decompression led to full recovery in all four reported cases of nerve entrapment.

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Area of Science:

  • Orthopedic Surgery
  • Neurology
  • Anatomy

Background:

  • Posterior interosseous nerve (PIN) paralysis can result from nerve entrapment.
  • Identifying the precise location of constrictions is crucial for effective treatment.

Observation:

  • Four cases of PIN paralysis presented with multiple sites of nerve constriction.
  • These constrictions were located between the arcade of Frohse and the bifurcation of the supinator motor branch.

Findings:

  • Surgical intervention involved external neurolysis and epineurotomy.
  • Microscopic surgical techniques were employed in all cases.

Implications:

  • Complete nerve decompression is effective in restoring function.

Related Experiment Videos

  • This approach offers a viable treatment for complex PIN entrapment.
  • Understanding anatomical landmarks aids surgical planning and outcomes.