ct with or without contrast guidelines - Search
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    Imaging studies findings A. Neck CT from August 2018 showing a supraclavicular lymph node of 30mm. B. Neck CT from October 2019 with the resolution of supraclavicular lymph node involvement. C. Chest CT from August 2018 where right pleural effusion and pulmonary involvement were observed with a solid nodule of 10mm located in the right middle lobe. D. Chest CT from October 2019 with the resolution of the lung involvement and the pleural effusion.
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    When considering CT scans with or without contrast, follow these guidelines:
    • Order "with" or "without": CTs should generally be ordered as "with" or "without" contrast, but not both, except in specific cases like assessing hematuria or known masses in organs.
      mclaren.org
    • Non-contrast CT: This is preferred for initial studies in acute situations, such as stroke, performed within three hours of symptom onset.
      aafp.org
    • Contrast-enhanced CT: Use contrast to improve image quality and delineate anatomical structures, especially when the diagnosis requires it. However, be aware of the associated risks with contrast agents.
      ccjm.org

      These guidelines help determine the appropriate use of contrast in CT imaging based on clinical scenarios.
    3 Sources
    Imaging Guidelines McLaren Physician Partners - McLaren Health Care
    Almost always, CTs should be ordered “with” OR “without’ only – NOT BOTH. A ‘with and without’ protocol is generally needed only for exams to assess hematuria, or known masses of t…
    McLaren Health Care
    https://www.mclaren.org/mclaren-physician-partners/imaging-guidelines-mclaren-physician-partners
    When to Order Contrast-Enhanced CT | AAFP
    Learn about the different types of contrast agents used in CT, their risks, contraindications, and common clinical scenarios. Find out when to order contrast-enhanced CT and how to…
    AAFP
    https://www.aafp.org/pubs/afp/issues/2013/0901/p312.html
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    When is contrast needed for abdominal and pelvic CT?
    The use of contrast agents, intravenous (IV) or oral, improves image quality by further delineating anatomical structures. However, contrast enhancement is not always necessary and…
    Cleveland Clinic Journal of Medicine
    https://www.ccjm.org/content/87/10/595
    mclaren.org
    aafp.org
    ccjm.org

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