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Detailed ultrasonographic mapping of the pelvis in clinically normal horses and ponies.
Abstract: To map the equine pelvis using ultrasonography, validated by use of computed tomography (CT), magnetic resonance imaging (MRI), and measurements of frozen cadaver slices. Methods: 6 ponies and 6 horses. Methods: Ultrasonographic examination of the pelvis was performed on 6 clinically normal ponies. Measurements were obtained for imaged structures. Computed tomography, MRI, and measurements of frozen sections were performed after death and used to verify measurements. Linear regression determined the degree of correlation between measurements obtained ultrasonographically and the other modalities. Six clinically normal horses were then examined by use of ultrasonography. For each structure measured mean, SD, and range were calculated. Results: Data obtained from ponies revealed high correlations between ultrasonographic findings and those of CT, MRI, and frozen section measurements (r2 = 0.97, r2 = 0.99, and r2 = 0.99, respectively). Differences between structures measured on each side of the pelvis were not significant. Variation in size of structures was not associated with weight of horses. A correlation was not found between weight of horses and ponies and size of structure. Conclusions: Ultrasonography can be used to accurately measure and evaluate the musculoskeletal structures of the pelvis of horses. The use of CT, MRI, and measurements of frozen sections provided a means of validating the ultrasonographic measurements. Reference range values determined in our study can be used to evaluate horses with suspected pelvic disease.
Publication Date: 2001-11-13 PubMed ID: 11703022DOI: 10.2460/ajvr.2001.62.1768Google Scholar: Lookup The Equine Research Bank provides access to a large database of publicly available scientific literature. Inclusion in the Research Bank does not imply endorsement of study methods or findings by Mad Barn.
- Journal Article
- Research Support
- Non-U.S. Gov't
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 presents a study on the use of ultrasonography for accurately mapping and measuring the pelvic structures of horses and ponies. The results were validated by comparing them with measurements obtained from computed tomography (CT), magnetic resonance imaging (MRI) and frozen dissection samples.
Research Methodology
- The study was conducted on six clinically normal ponies and six horses.
- Ultrasonographic examination of the pelvis was done and measurements were taken for the imaged structures.
- To verify these measurement data, CT, MRI, and measurements of frozen sections were performed post-death.
- The degree of correlation between the measurements from ultrasonography and the other modalities was determined by linear regression analysis.
- For each structure measured, statistical analyses such as the mean, standard deviation and range were calculated.
Research Findings
- According to the results, ultrasonography showed high correlation with CT, MRI, and frozen section measurements with correlation coefficients (r2) of 0.97, 0.99, and 0.99, respectively.
- There was no significant difference found in the measurements of structures from both sides of the pelvis.
- The size of structures appears to be independent of the weight of the horses as no associated variation was found.
- No correlation was found between the weight of horses and ponies and their pelvic structure size.
Research Conclusions
- The study validates that ultrasonography can be used as an accurate tool for measuring and evaluating the musculoskeletal structures of the equine pelvis. This makes it an effective diagnostic tool.
- CT, MRI, and frozen section measurements provided a means to validate the observations and measurements obtained from the ultrasonography, thereby boosting its credibility.
- The collected reference range values can be used to evaluate horses suspected of having pelvic diseases, offering a handy tool for equine medical practitioners.
Cite This Article
APA
Tomlinson JE, Sage AM, Turner TA, Feeney DA.
(2001).
Detailed ultrasonographic mapping of the pelvis in clinically normal horses and ponies.
Am J Vet Res, 62(11), 1768-1775.
https://doi.org/10.2460/ajvr.2001.62.1768 Publication
Researcher Affiliations
- Department of Clinical and Population Sciences, College of Veterinary Medicine, University of Minnesota, St Paul 55108, USA.
MeSH Terms
- Animals
- Horses / anatomy & histology
- Magnetic Resonance Imaging / veterinary
- Pelvis / anatomy & histology
- Pelvis / diagnostic imaging
- Pilot Projects
- Tomography, X-Ray Computed / veterinary
- Ultrasonography
Citations
This article has been cited 2 times.- Aleman M, Berryhill E, Woolard K, Easton-Jones CA, Kozikowski-Nicholas T, Dyson S, Kilcoyne I. Sidewinder gait in horses. J Vet Intern Med 2020 Sep;34(5):2122-2131.
- Mathys RA, Schmitz TR, Geyer H, Borel N, Hilbe M, Ohlerth S, Bischofberger AS. Multi-Detector Helical Computed Tomography, Transrectal Ultrasonography, and Histology of the Sacroiliac Joint: A Comparative Study in Adult Warmblood Horse Cadavers. Animals (Basel) 2025 Jul 7;15(13).
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