There are multiple definitions:

1. dynamic contrast-enhanced [imaging](English)

   • acquisition of a baseline image(s) without contrast enhancement followed by a series of images acquired over time after an intravenous bolus of conventional contrast agent
   • MRI, FE, CT, LS
   • Medical imaging, Biomarker
   • https://doi.org…59/bjr/55166688
   • https://doi.org…radiol.12111505
   • https://doi.org…598-022-23408-1

2. discrete choice experiment(English)

   • survey to elicit preferences and values for genomic testing in pediatric critical care in line with good research practice recommendations. Essentially comprises two phases: 1) the key attributes (characteristics) and associated levels of a healthcare technology or service are identified, preferably using qualitative methods, and 2) a phase that involves experimental design methods to construct a series of choice tasks, whereby respondents are asked to choose between two or more alternative options that involve different combinations of attribute levels. Econometric analysis of choice data is then used to reveal the underlying preferences and value, expressed as willingness to pay (WTP)
   • SC, WTP
   • Decision making, Genomics, Medical technology (assessment), Financial issues
   • https://doi.org…431-021-00874-1
   • https://doi.org…0273-018-0734-2

3. dye chromoendoscopy(English)

   • the standard used in IBD surveillance colonoscopies
   • IBD, HD, VCE, WLE
   • Diagnostics, Gastroenterology, Surveillance
   • https://doi.org…cgh.2015.12.047