"arterioportal shunts or vascular pseudolesions are not depicted with CEUS, although transient hepatic echogenicity differences (THED) can still be seen2"
"multiple injections of microbubble intravascular contrast can be performed, allowing for more complete assessment of an observation"
"identify and categorise observation(s)"
"early: < 60 seconds after injection"
"distinct isoenhancing solid nodule < 10 mm"
"nodule < 20 mm no APHE and no washout, or with late and mild washout"
"nodule < 10 mm with APHE and no washout"
"nodule < 10 mm with APHE, and with late and mild washout"
"early (< 60 s) washout, or"
"CEUS LR-1 (definitely benign)"
"CEUS LR-2 (probably benign)"
"CEUS LR-4 (probably HCC)"
"CEUS LR-5 (definitely HCC)"
"CEUS LR-NC"
"RADS (Reporting and Data Systems)"
Expected headings
"Key differences between CT/MRI and CEUS"
"Patient selection"
"Algorithm"
"Major features"
"Characterising washout"
"Ancilliary features"
"Classification"
"CEUS LR-1 (definitely benign)"
"CEUS LR-2 (probably benign)"
"CEUS LR-3 (intermediate maglinancy probability)"
"CEUS LR-4 (probably HCC)"
"CEUS LR-5 (definitely HCC)"
"CEUS LR-M (probably or definitely malignant, but not HCC specific)"
"CEUS LR-TIV (tumour in vein)"
"CEUS LR-NC"
"Tie-breaking rules"
"CEUS LI-RADS is for diagnosis only and not for staging; it is only practical to characterise a limited number of targetted observations for each examination"
"washout characteristics with CEUS are different to CT/MRI, allowing assessment of true washout; hence, the CT/MRI LI-RADS terms "washout" or "washout appearance" are not used"
"temporal reduction in enhancement (whole or part of the observation) relative to the background liver, during or after the arterial phase and becoming hypoenhancing to the background liver"