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Related Experiment Videos

Wooden foreign bodies: imaging appearance.

Jeffrey J Peterson1, Laura W Bancroft, Mark J Kransdorf

  • 1Department of Radiology, Mayo Clinic, 4500 San Pablo Rd., Jacksonville, FL 32224-3899, USA.

AJR. American Journal of Roentgenology
|February 22, 2002
PubMed
Summary

Imaging can identify wooden foreign bodies, with sonography being particularly useful. Characteristic findings on MRI and CT also aid in diagnosis, even without a clear history of injury.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Foreign Body Detection

Background:

  • Wooden foreign bodies often present with non-specific symptoms like swelling or draining sinuses.
  • A history of penetrating injury is not always reported, making diagnosis challenging.

Purpose of the Study:

  • To identify the characteristic imaging features of wooden foreign bodies.
  • To evaluate the utility of various imaging modalities in detecting retained wooden foreign bodies.

Main Methods:

  • Retrospective review of 12 patients with surgically confirmed wooden foreign bodies.
  • Utilized radiography, sonography, MR imaging (including gadolinium-enhanced), and CT (including CT arthrography).

Main Results:

  • Radiography was ineffective in detecting wooden foreign bodies in all cases.
  • MR imaging showed variable signal intensity and surrounding inflammation; CT revealed linear foci of increased attenuation.
  • Sonography demonstrated high echogenicity and acoustic shadowing, proving most useful.

Conclusions:

  • The imaging appearance of wooden foreign bodies is variable but can be specific.
  • Sonography, though often underused, is highly effective for evaluating retained wooden foreign bodies.
  • Imaging findings, in the correct clinical context, can reliably suggest the diagnosis of wooden foreign bodies.

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