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Related Experiment Videos

[Humeroradial plica: frequency and visualization on MRI].

M Vahlensieck1, U Wiche, H M Schmidt

  • 1Radiologie Haydnhaus, Bonn. m.vahlensieck@uni-bonn.de

Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|July 9, 2004
PubMed
Summary

A humeroradial plica is consistently found in elbow dissections but rarely seen on MRI. T1-spin-echo sequences are best for visualizing this synovial fold and correlating it with elbow degeneration.

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Area of Science:

  • Orthopedic Surgery
  • Radiology
  • Anatomy

Context:

  • The humeroradial plica is an anatomical structure within the elbow joint.
  • Degenerative changes in the elbow can affect joint function and may be associated with intra-articular structures.
  • Accurate visualization of intra-articular structures is crucial for diagnosing elbow pathologies.

Purpose:

  • To determine the frequency and size of the humeroradial plica through dissection.
  • To correlate the presence and size of the humeroradial plica with degenerative changes in elbow specimens.
  • To assess the frequency of visualizing the synovial fold on MRI (T1-weighted spin-echo and STIR sequences) and correlate it with degenerative changes.

Summary:

  • Dissections of 42 elbow specimens revealed a humeroradial synovial fold in all cases, with varying sizes.
  • On MRI of 88 elbows, the synovial fold was visualized in only about 20% of cases.
  • The size of the fold correlated with degenerative changes in specimens but not on MRI; T1-spin-echo sequences were superior for visualization.

Impact:

  • Highlights the high prevalence of humeroradial plica, often overlooked in MRI.
  • Suggests T1-spin-echo sequences are optimal for detecting the humeroradial plica on MRI.
  • Improves understanding of elbow joint anatomy and its relationship with degenerative conditions.

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