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Journal of the American Veterinary Medical Association2003; 223(11); 1617-1599; doi: 10.2460/javma.2003.223.1617

Use of high-resolution ultrasound as a diagnostic tool in veterinary ophthalmology.

Abstract: The recent development of a 20-MHz, high-frequency ultrasound probe has allowed tissue to be visualized at resolutions of 20 to 80 microm, which is similar to a low-power histologic view. This high degree of resolution, however, limits tissue penetration to 5 to 10 mm, which is ideal for examination of the anterior segment of the eye. The detail provided by high-resolution ultrasound readily permits the clinician to distinguish between various anterior segment entities that may appear similar but are treated quite differently, such as anterior uveal tumors, iridociliary cysts, and iris bombé. High-frequency ultrasound is also a valuable aid in creating a surgical plan for treatment of ocular disorders in which the cornea is opaque, such as feline corneal sequestrum and tumor invasion into the cornea. Other applications of this technology include elucidation of the pathogenesis of glaucoma in veterinary patients and evaluation of regions of the lens that are difficult to examine directly.
Publication Date: 2003-12-11 PubMed ID: 14664449DOI: 10.2460/javma.2003.223.1617Google Scholar: Lookup
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  • Journal Article
  • Research Support
  • Non-U.S. Gov't

Summary

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The research studies the application of a high-frequency ultrasound probe in veterinary ophthalmology. The tool can visualize tissue at a high resolution and is particularly useful for examining forward sections of the eye and aiding in surgical planning for ocular disorders.

High-Frequency Ultrasound in Veterinary Ophthalmology

  • The research presents an application of a novel 20-MHz ultrasound tool in the field of veterinary ophthalmology. This high-resolution probe can visualize tissue at fine details ranging between 20 to 80 microm, similar to a low-power histological view. However, high resolution constrains tissue penetration to 5 to 10mm, which is ideal for examining the eye’s anterior segment.
  • The high-resolution imagery delivered by ultrasound enables clinicians to differentiate between various anterior segment cases that may seem alike but require different treatments. Typical examples include anterior uveal tumors, iridociliary cysts, and iris bombs.

Ultrasound in Surgical Planning and Other Applications

  • Another notable application of this technology is aiding surgical planning for treating ocular disorders where the cornea is cloudy. These conditions can include feline corneal sequestrum and tumor intrusion into the cornea. Ultrasonography can help in creating a precise surgical plan for these disorders.
  • Other possible uses of this technology include understanding the pathogenesis of diseases like glaucoma in veterinary patients and assessing lens regions that are challenging to inspect directly. Thus, the versatility of high-resolution ultrasound makes it promising for extensive use in veterinary ophthalmology.

Cite This Article

APA
Bentley E, Miller PE, Diehl KA. (2003). Use of high-resolution ultrasound as a diagnostic tool in veterinary ophthalmology. J Am Vet Med Assoc, 223(11), 1617-1599. https://doi.org/10.2460/javma.2003.223.1617

Publication

ISSN: 0003-1488
NlmUniqueID: 7503067
Country: United States
Language: English
Volume: 223
Issue: 11
Pages: 1617-1599

Researcher Affiliations

Bentley, Ellison
  • Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI 53706-1102, USA.
Miller, Paul E
    Diehl, Kathryn A

      MeSH Terms

      • Animals
      • Cat Diseases / diagnostic imaging
      • Cats
      • Diagnostic Techniques, Ophthalmological / instrumentation
      • Diagnostic Techniques, Ophthalmological / veterinary
      • Dog Diseases / diagnostic imaging
      • Dogs
      • Eye Diseases / diagnostic imaging
      • Eye Diseases / veterinary
      • Female
      • Glaucoma / diagnostic imaging
      • Glaucoma / veterinary
      • Horse Diseases / diagnostic imaging
      • Horses
      • Male
      • Sensitivity and Specificity
      • Treatment Outcome
      • Ultrasonography / instrumentation
      • Ultrasonography / methods
      • Ultrasonography / veterinary
      • Uveal Diseases / diagnostic imaging
      • Uveal Diseases / veterinary