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Home / Equine Research Bank / Equine Vet J / Use of cone-beam computed tomography for advanced imaging of...
Equine veterinary journal2021; 53(5); 872-885; doi: 10.1111/evj.13473

Use of cone-beam computed tomography for advanced imaging of the equine patient.

Abstract: Access to volumetric imaging modalities, such as magnetic resonance imaging (MRI) and computed tomography (CT), has increased over the past decade and has revolutionised the way clinicians evaluate equine anatomy. More recent advancements have resulted in the development of multiple commercially available cone-beam CT (CBCT) scanners for equine use. CBCT scanners modify the traditional fan-shaped beam of ionising radiation into a three-dimensional pyramidal- or cone-shaped beam of radiation. This modification enables the scanner to acquire sufficient data to create diagnostic images of a region of interest after a single rotation of the gantry. The rapid acquisition of data and divergent X-ray beam causes some artifacts to be more prominent on CBCT images-as well as the unique cone-beam artifact-resulting in decreased contrast resolution. While the use of CT for evaluation of the equine musculoskeletal anatomy is not new, there is a paucity of literature and scientific studies on the capabilities of CBCT for equine imaging. CBCT units do not require a specialised table for imaging and in some cases are portable for imaging in the standing or anaesthetised patient. This review article summarises the basic physics of CT technology, including how CBCT imaging differs, and provides objective information about the strengths and limitations of this modality. Finally, potential future applications and techniques for imaging with CT which will need to be explored in order to fully consider the capabilities of CT imaging in the horse are discussed.
© 2021 EVJ Ltd.
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Publication Date: 2021-07-14 PubMed ID: 34053096DOI: 10.1111/evj.13473Google Scholar: Lookup
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Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

This research article explores how advanced technologies, specifically cone-beam computed tomography (CBCT), can enhance the imaging and evaluation of equine anatomy, despite the lack of extensive literature and studies on its use.

Introduction to Volumetric Imaging Modalities and CBCT in Equine Patients

  • The article first sets the scene by discussing how advanced volumetric imaging modalities, such as magnetic resonance imaging (MRI) and computed tomography (CT), are already starting to revolutionize the way clinicians are able to evaluate the anatomy of equine patients.
  • The shift from traditional CT scans to more advanced CBCT scanners is explained. Typically, CT scans employ a fan-shaped beam of ionising radiation, whereas CBCT scanners use a three-dimensional pyramidal or cone-shaped beam of radiation.
  • CBCT’s key advantage is its ability to create diagnostic images from a single scan rotation, thus providing a rapid yet comprehensive capture of data.

Limitations and Potentials of CBCT

  • The limitations of CBCT are also addressed. Specifically, the research highlighted how the quick data acquisition and distinctive divergence of the X-ray beam may result in more prominent artifacts or false image readings, which can potentially decrease image contrast resolution.
  • Although CT scans for equine musculoskeletal anatomy evaluation are not novel, there is a limited amount of scientific literature and research studies that explore the capabilities of CBCT for equine imaging.

Practicalities of CBCT unit

  • However, the article further explains that CBCT units are quite practical as they do not require specialized tables for imaging and they can be portable. This portability offers the added flexibility of performing imaging on a standing or anaesthetized patient as required.

Final Observations and Future Scope

  • The authors conclude that while CBCT posses potential in revolutionizing equine imaging practices, further research and exploration are needed in terms of its application and understanding the extent of CT imaging capabilities within the equine domain.

Cite This Article

APA
Stewart HL, Siewerdsen JH, Nelson BB, Kawcak CE. (2021). Use of cone-beam computed tomography for advanced imaging of the equine patient. Equine Vet J, 53(5), 872-885. https://doi.org/10.1111/evj.13473

Publication

Equine veterinary journal
ISSN: 2042-3306
NlmUniqueID: 0173320
Country: United States
Language: English
Volume: 53
Issue: 5
Pages: 872-885

Researcher Affiliations

Stewart, Holly L
  • Department of Clinical Sciences, Colorado State University, Fort Collins, CO, USA.
Siewerdsen, Jeffery H
  • The Russel H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University, Baltimore, MD, USA.
Nelson, Brad B
  • Department of Clinical Sciences, Colorado State University, Fort Collins, CO, USA.
Kawcak, Christopher E
  • Department of Clinical Sciences, Colorado State University, Fort Collins, CO, USA.

MeSH Terms

  • Animals
  • Cone-Beam Computed Tomography / veterinary
  • Horses
  • Tomography, X-Ray Computed / veterinary

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Citations

This article has been cited 7 times.
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