ISSN 2398-2950      

Ultrasonography: GI system

ffelis
Contributor(s):

Alison Dickie


Introduction

Uses
  • Investigation of:
    • Palpable or radiographic gastrointestinal masses.
    • Gastrointestinal obstructions.
  • Identification of non-palpable gastrointestinal lesions.
  • Assessment of peristalsis.
  • Investigation of weight loss   Weight loss  .
  • Investigation of diarrhea   Inflammatory bowel disease: overview  .
  • Investigation of vomiting   Vomiting  .

Advantages

  • Low cost.
  • Non-invasive.
  • Straightforward.
  • Short time requirement.
  • No known biological risk.
  • Allows ultrasound guided fine needle aspiration or biopsy.

Time requirement will reduce with operator experience.

Disadvantages

  • Will require patient's coat to be clipped.
  • Normal sonographic appearance does not exclude disease.
  • Abnormal sonographic appearance does not always indicate significant disease.
  • Similar sonographic appearance with different diseases.

Potential problems

  • Poor transducer-skin contact:
    • Inadequate clipping.
    • Insufficient coupling medium.
  • Inadequate patient restraint.
  • Operator inexperience.
  • Intraluminal gas interfering with image quality although less of a problem than in dogs.
  • Ultrasound should be performed before administration of contrast eg barium.

Alternatives

Equipment

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Patient preparation

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

technique

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Normal Anatomy

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Abnormalities

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Boysen S R, Tidwell A S, Penninck D G (2003) Ultrasonographic findings in dogs and cats with gastrointestinal perforation. Vet Radiol Ultrasound 44 (5), 556-564 PubMed.
  • Newell S M, Graham J P, Roberts G D et al (1999) Sonography of the Normal Feline Gastrointestinal Tract. Vet Radiology and Ultrasound 40 (1), 40-43 PubMed
  • Penninck D G, Moore A S, Tidwell A S et al (1994) Ultrasonography of Alimentary Lymphosarcoma in the Cat. Vet Radiology and Ultrasound 35 (4), 299-304 VetMedResource.

Other sources of information

  • Homco L D (1996) Gastrointestinal tract. In: Small Animal Ultrasound Ed: Green R W. Lippincott-Raven, Philadelphia. pp149-175.
  • Penninck D G (1995) Ultrasonography of the gastrointestinal tract. In: Veterinary Diagnostic Ultrasound Eds: Nyland T G & Mattoon J S. W B Saunders Company, Philadelphia. pp125-140.

Can’t find what you’re looking for?

We have an ever growing content library on Vetlexicon so if you ever find we haven't covered something that you need please fill in the form below and let us know!