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Home / Equine Research Bank / Front Vet Sci / The Role of Computed Tomography in Imaging Non-neurologic Di...
Frontiers in veterinary science2022; 9; 798216; doi: 10.3389/fvets.2022.798216

The Role of Computed Tomography in Imaging Non-neurologic Disorders of the Head in Equine Patients.

Abstract: Computed tomography (CT) imaging of the head in equine patients is now commonly performed as CT scanners are more readily available. Head CT has proven valuable in evaluating spatially complex anatomic structures, where radiographic superimposition, or restricted access endoscopy or ultrasound, limit complete evaluation of the disease process. Head CT has been demonstrated to be incredibly valuable in the evaluation of dental and paranasal sinus disease, disease of the hyoid apparatus and ear, and in evaluation of skull trauma. CT is an excellent modality for assessment of both osseous and soft tissue structures; however, evaluation of complex vascular anatomy and determination of tissue viability is limited without the use of contrast agents. Therefore, various contrast agent protocols including intravenous and intraarterial iodinated contrast administration techniques have been established. CT also has limitations in the evaluation of brain and spinal cord disease, for which magnetic resonance imaging (MRI) has major advantages. Head CT images are most commonly evaluated in transverse planes. However, standard multiplanar reconstructions of the head including dorsal and parasagittal planes improve the understanding of spatially complex disease processes. These reconstructions can be crucial for accurate identification of diseased teeth and determination of the extent and severity of osseous and paranasal sinus disease. Head CT examinations are becoming an increasingly important diagnostic tool in the evaluation of horses with head disorders, and CT imaging findings are an important aspect in the clinical decision-making process. The following review discusses the indications, benefits, and technical considerations for the use of computed tomography (CT) in evaluating non-neurologic head pathologies in equine patients.
Copyright © 2022 Stieger-Vanegas and Hanna.
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Publication Date: 2022-03-07 PubMed ID: 35321060PubMed Central: PMC8936190DOI: 10.3389/fvets.2022.798216Google 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.

The research article discusses the use of Computed Tomography (CT) imaging for assessing non-neurological disorders in the heads of horses. It emphasizes CT’s efficiency in evaluating complex structures, especially in cases where other methods fall short, while also highlighting its limitations and the use of specific contrast agents for better imaging.

Research Context and Scope

  • The article is centered on the application of CT imaging in diagnosing head disorders of equine patients. It delves into how this imaging technology has become commonplace due to increased availability of CT scanners.
  • It places a significant emphasis on how CT has been a game-changer in evaluating complex anatomic structures in horses’ heads, especially in situations where other diagnostic approaches such as radiography, endoscopy, or ultrasound may not provide a complete assessment due to overlapping images or limited access.
  • While focusing predominantly on dental and paranasal sinus disease, disorders of the hyoid apparatus and ear, as well as skull trauma, the study underlines CT’s value in providing comprehensive insight into both bone and soft tissue structures.

CT Imaging and Contrast Agents

  • The article acknowledges that CT has limitations in identifying complex vascular anatomy and assessing tissue viability. To overcome this, contrast agents are used.
  • In this context, the paper explains how iodinated contrast administration techniques, both intravenous and intraarterial, have been established to enhance the visualization of certain structures.

MRI Vs CT

  • Despite its advantages, the paper describes the limitations of CT in evaluating diseases related to the brain and spinal cord, acknowledging that Magnetic Resonance Imaging (MRI) holds a significant advantage in these areas due to its superior ability to image soft tissues and differentiate between normal and diseased tissues.

Evaluations and Conclusion

  • Typically, CT images of a horse’s head are examined in a cross-sectional or transverse manner. However, the article notes that other means of observation – dorsal and parasagittal plane reconstructions – offer an improved understanding of complex disease processes. This can be fundamental in identifying diseased teeth and determining the extent and severity of bone and paranasal sinus diseases.
  • The paper concludes by asserting the importance of CT examinations in making clinical decisions on horses with head disorders, demonstrating its importance in veterinary medicine.

Cite This Article

APA
Stieger-Vanegas SM, Hanna AL. (2022). The Role of Computed Tomography in Imaging Non-neurologic Disorders of the Head in Equine Patients. Front Vet Sci, 9, 798216. https://doi.org/10.3389/fvets.2022.798216

Publication

Frontiers in veterinary science
ISSN: 2297-1769
NlmUniqueID: 101666658
Country: Switzerland
Language: English
Volume: 9
Pages: 798216
PII: 798216

Researcher Affiliations

Stieger-Vanegas, Susanne M
  • Department of Clinical Sciences, Carlson College of Veterinary Medicine, Oregon State University, Corvallis, OR, United States.
Hanna, Ashley L
  • College of Veterinary Medicine, Washington State University, Pullman, WA, United States.

Conflict of Interest Statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

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