Article Text

Diagnostic Techniques
Advanced imaging: indications for CT and MRI in veterinary patients
  1. Ruth Dennis

    Ruth Dennis graduated from Cambridge in 1981. After spending three years in general practice, she returned to Cambridge to specialise in radiology, and in 1992 moved to the Animal Health Trust. She holds the RCVS diploma in veterinary radiology, and is a diplomate of the European College of Veterinary Diagnostic Imaging and an active member of the European Association of Veterinary Diagnostic Imaging. Her particular interests are radiology and MRI in small animals.


COMPUTED tomography (CT) and magnetic resonance imaging (MRI) are increasingly being used in veterinary diagnosis due to greater accessibility of the equipment, advances in treatment options and increasing owner expectations. However, CT and MRI scanning are complex and expensive procedures that warrant careful patient selection. They should be used to supplement, rather than replace, conventional diagnostic tools. This article describes the most important indications for CT and MRI in veterinary patients and indicates which technique is preferable, should a choice exist. It also discusses the basic principles of the two imaging modalities, together with their limitations.

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