ISSN 2398-2942      

Radiology: gastrointestinal tract

icanis
Contributor(s):

Fraser McConnell


Introduction

Overview

  • Radiological examination forms a vital role in the investigation of gastrointestinal tract disease.
  • Radiography allows evaluation of shape and position of gastrointestinal tract.
    Significant gastrointestinal disease may be present despite normal radiological appearance.
  • Contrast radiography is required for full evaluation of the gastrointestinal tract.

Radiographic considerations

  • Positional radiography is often useful particularly in gastric disease.
  • Taking both lateral projections Radiography: thorax may reduce risk of missing gastric masses.
  • A low KVp and high mAs should be used to maximize contrast of abdominal radiographs.
  • A grid is necessary if the depth of tissue is >10 cm.
  • Care should be taken to include the entire gastrointestinal tract for most investigations.

Restraint

Sedation and general anesthesia will affect gastrointestinal motility.

  • Contrast studies may be performed under sedation with acepromazine and buprenorphine which have least effect on function.

Indications

Radiographic anatomy

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Interpretation

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Other imaging modalities

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Fluke M H, Hawkins E C, Elliott G S et al (1989) Short colon in two cats and a dog. JAVMA 195 (1), 87-90 PubMed.

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