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Related Experiment Videos

Triangular fibrocartilage complex: normal appearance on coronal three-dimensional gradient-recalled-echo MR images

S M Totterman1, R J Miller

  • 1Department of Radiology, University of Rochester Medical Center, NY 14642-8648, USA.

Radiology
|May 1, 1995
PubMed
Summary
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Three-dimensional gradient-recalled-echo (GRE) magnetic resonance (MR) imaging effectively shows the triangular fibrocartilage complex (TFCC). This technique reveals consistent TFCC visualization and variability in ulnar attachments, aiding anatomical understanding.

Area of Science:

  • Radiology
  • Orthopedic Imaging
  • Anatomy

Background:

  • The triangular fibrocartilage complex (TFCC) is crucial for wrist stability.
  • Accurate visualization of the TFCC is essential for diagnosing wrist injuries.
  • Conventional imaging techniques may have limitations in fully depicting TFCC anatomy.

Purpose of the Study:

  • To assess the utility of three-dimensional gradient-recalled-echo (GRE) sequences for visualizing the TFCC.
  • To compare MR imaging findings with cadaveric dissection for validation.

Main Methods:

  • Three-dimensional GRE magnetic resonance (MR) imaging was performed on 11 cadavers, 17 patients, and 6 volunteers.
  • The MR appearance of the TFCC was evaluated and compared with findings from dissection.

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Main Results:

  • The three-dimensional GRE sequence consistently demonstrated most TFCC components across all subjects.
  • Volar and dorsal radioulnar ligaments were clearly identified.
  • Variability in the TFCC's ulnar attachments was observed and confirmed by dissection.

Conclusions:

  • Three-dimensional GRE MR imaging is a valuable tool for consistently demonstrating TFCC anatomy.
  • The technique effectively visualizes TFCC components and their variations, aiding in diagnosis and understanding.