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Related Experiment Videos

Imaging hemidiaphragmatic injury.

Stuart E Mirvis1, Kathirkamanathan Shanmuganagthan

  • 1Department of Diagnostic Radiology and the Maryland Shock-Trauma Center, University of Maryland School of Medicine, 22 South Greene Street, Baltimore, MD 21201, USA. smirvis@umm.edu

European Radiology
|February 20, 2007
PubMed
Summary
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Diagnosing acute diaphragmatic injury (DI) after trauma often starts with a chest X-ray. If unclear, computed tomography (CT) is typically used, with magnetic resonance imaging (MRI) as a backup for complex cases.

Area of Science:

  • Radiology
  • Trauma Imaging
  • Diagnostic Imaging

Background:

  • The supine chest radiograph is the initial imaging modality for thoracic trauma.
  • Computed tomography (CT) is frequently employed when radiographs are equivocal for diaphragmatic injury (DI).

Purpose of the Study:

  • To review imaging modalities and strategies for diagnosing diaphragmatic injury (DI) resulting from blunt trauma.

Main Methods:

  • Review of imaging techniques including chest radiography, computed tomography (CT) with multiplanar reformation (MPR), and magnetic resonance imaging (MRI).
  • Emphasis on thin-slice axial scanning and overlapping images for MPR in CT.
  • Utilization of T1-weighted spin-echo images in sagittal and coronal planes for MRI.

Main Results:

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  • Chest radiography is the first-line evaluation for thoracic trauma.
  • CT, especially with MPR, is generally diagnostic for DI.
  • MRI serves as a valuable tool when CT findings are indeterminate and the patient is stable.

Conclusions:

  • CT with MPR is highly effective for diagnosing DI after blunt trauma.
  • MRI is a useful adjunctive imaging modality for DI when CT is inconclusive.