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Table 1 Inclusion and exclusion criteria

From: The added diagnostic value of complementary gadoxetic acid-enhanced MRI to 18F-DOPA-PET/CT for liver staging in medullary thyroid carcinoma

Inclusion criteriaExclusion criteria
Histologically confirmed MTC (surgical thyroidectomy or fine needle aspiration)Unenhanced acquisition of the MRI scan (due to contraindications to gadolinium-based contrast agents, such as acute or chronic renal failure with estimated glomerular filtration rate < 30 mL/min or known hypersensitivity)
Whole-body 18F-DOPA PET/CT between 2010 and 2016MRI contrast agent other than gadoxetic acid
Matching gadoxetic acid-enhanced liver MRI within 30 daysUnenhanced CT (due to contraindications for iodinated contrast agents, such as manifest hyperthyroidism, acute or chronic renal failure with estimated glomerular filtration rate < 30 mL/min or known hypersensitivity)
 Missing or inconclusive histological results confirming the diagnosis of MTC