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Questions and Answers
What is an important factor when imaging patients with potential narrowing of the airway using CT?
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?
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?
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?
What are typical characteristics of a true retropharyngeal abscess on CT scans?
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Why is obtaining CT scans with contrast important for evaluating the neck?
Why is obtaining CT scans with contrast important for evaluating the neck?
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