CT Imaging of the Neck

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Questions and Answers

What is an important factor when imaging patients with potential narrowing of the airway using CT?

  • Ability to differentiate retropharyngeal abscess from oedema
  • High rate of false positive results
  • Ability to evaluate the neck quickly (correct)
  • Use of contrast for fluid collection differentiation

What is a potential drawback of CT scans with respect to detecting pus in the neck area?

  • Inability to differentiate retropharyngeal abscess from oedema
  • High rate of false positive results
  • Not insignificant rate of false negative results (correct)
  • Long imaging time compared to MRI

What is the recommended approach if CT scan results show potential pus in the neck area?

  • Immediately start antibiotic treatment
  • Repeat the CT scan with a different contrast agent
  • Consider surgical exploration based on clinical presentation (correct)
  • Wait for MRI confirmation

What are typical characteristics of a true retropharyngeal abscess on CT scans?

<p>Peripherally enhancing rim and centrally hypodense collection (B)</p> Signup and view all the answers

Why is obtaining CT scans with contrast important for evaluating the neck?

<p>To differentiate fluid collections from phlegmonous thickening (B)</p> Signup and view all the answers

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