ISSN 2398-2942      

Computed tomography: thorax

icanis
Contributor(s):

Tobias Schwarz

Randi Drees

Synonym(s): CT: chest


Introduction

  • Diagnostic imaging is essential in the work-up of dogs with thoracic disease.
  • Traditionally, thoracic imaging work-up was done with radiography.
  • Computed tomography allows complete assessment of the thoracic cavity, as well as the abdomen and other body parts within a few minutes.
  • Computed tomography uses ionizing radiation, therefore particular health and safety measures apply.

Uses

  • Dyspnea, tachypnea, hyperpnea.
  • Investigation of chest wall masses Thorax: masses.
  • Hemothorax Hemothorax, suspected pleural effusion Pleural: effusion.
  • Crackles on auscultation.
  • Cyanosis.
  • Machinery murmur.
  • Hemoptysis.
  • Cough.
  • Staging for metastatic disease.

Common conditions in the thorax diagnosable with CT

Advantages

  • Detailed assessment of the entire thorax.
  • Can visualized areas beyond the heart compared to ultrasound-based echocardiography.
  • Can be done under sedation-only with modern CT units.

Disadvantages

  • Expensive equipment that require 3-phase power supply, dedicated room.
  • Emits ionizing radiation, patients cannot be handheld be personnel.
  • Patients need to be safely constrained, usually requires at least sedation.
  • Some soft tissue detail, such as wall layering of the intestine, is better delineated with ultrasound.

Requirements

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Preparation

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Procedure

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Aftercare

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Outcomes

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Further Reading

Publications

Refereed Papers

Other sources of information

  • Schwarz T & Saunders J (2011) Veterinary Computed Tomography. Ames: Wiley-Blackwell.
  • Mihaljević M, Kramer M, Gomerčić H (2009) CT- und MRT-Atlas: Transversalanatomie des Hundes. Stuttgart: Parey.

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