What is the role of MRI and PET scanning in the T classification of lung cancer staging?

Updated: Jan 28, 2019
  • Author: Omar Lababede, MD; Chief Editor: Eugene C Lin, MD  more...
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MRI and PET scanning provide additional crucial information for accurate classification in some cases. [15] Compared with CT scan, MRI has superior tissue contrast but it is more susceptible to cardiac and respiratory motion artifacts. It is also affected by low proton density, very short T2* values, and inhomogeneity of the magnetic field in the lungs. However, recent advances in MRI techniques and the use of gadolinium contrast media have enhanced the diagnostic capability of MRI in detecting and staging lung cancer. [16] MRI can be used to further delineate the findings of nonenhanced CT in patients with adverse reactions to iodinated contrast media or significant renal impairment. [17]

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