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Acetabular paralabral cyst causing compression of the sciatic nerve.

Caoimhe Byrne1, Sharon Whitty2, Emma Stanley3

  • 1Cappagh National Orthopaedic Hospital, Cappagh Road, Finglas West, Dublin 11, Ireland.

Radiology Case Reports
|February 28, 2018
PubMed
Summary

Acetabular paralabral cysts can cause hip pain. A rare case shows these cysts can compress the sciatic nerve, leading to symptoms.

Keywords:
AcetabulumMRIParalabral cystSciatic nerveSciatica

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Area of Science:

  • Orthopedic Surgery
  • Radiology
  • Neuroscience

Background:

  • Acetabular paralabral cysts are frequently observed.
  • Their clinical manifestations range from asymptomatic to causing hip pain and restricted motion.

Observation:

  • This report details a rare instance of symptomatic sciatic nerve compression.
  • The compression was caused by a posteriorly displaced acetabular paralabral cyst.

Findings:

  • Posteriorly displaced acetabular paralabral cysts can lead to sciatic nerve compromise.
  • This highlights a less common but significant cause of nerve entrapment.

Implications:

  • Understanding this rare presentation is crucial for accurate diagnosis and treatment of hip and sciatic nerve disorders.
  • This case broadens the differential diagnosis for sciatic neuropathy originating from the hip.