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Silicone synovitis: MR imaging in five patients

M Chan1, P Chowchuen, T Workman

  • 1Department of Radiology, Veterans Affairs Medical Center, San Diego, CA 92161, USA.

Skeletal Radiology
|March 21, 1998
PubMed
Summary
This summary is machine-generated.

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Silicone synovitis, a complication of orthopedic silicone implants, presents specific magnetic resonance imaging (MRI) abnormalities. MRI reveals deformed implants and intra-articular silicone particles, aiding diagnosis.

Area of Science:

  • Orthopedic Surgery
  • Radiology
  • Biomaterials Science

Background:

  • Silicone synovitis is a recognized complication following the use of silicone implants in orthopedic joint reconstruction.
  • While radiography has been used to study this condition, magnetic resonance imaging (MRI) findings have not been previously reported.

Observation:

  • This study investigated five patients diagnosed with silicone synovitis using MRI.
  • The patients underwent MRI to evaluate the characteristic abnormalities associated with the condition.

Findings:

  • MRI revealed characteristic abnormalities in all five patients with silicone synovitis.
  • Observed findings included hypointense silicone implants that were deformed, fragmented, or subluxed.
  • Intra-articular and periarticular silicone particles were clearly visualized on both T1- and T2-weighted MRI sequences.

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Implications:

  • Magnetic resonance imaging is a valuable tool for diagnosing silicone synovitis.
  • MRI findings can help identify implant-related complications and guide treatment strategies.
  • This study establishes the MRI appearance of silicone synovitis, filling a gap in the current literature.