Table 2

Agreement on definition of biliary microlithiasis

Biliary microlithiasisLiterature-based findingsExpert agreementAudience agreement
Concrement size≤5 mm11.54%
≤3 mm46.15%
≥3 mm ≤5 mm46.15%65.3%
Imaging method of choiceEUS*93%
Bile sample centrifugation and examination by phase-contrast and polarising light microscopy16%
SonomorphologyWith acoustic shadowing96.15%
  • *There is an obvious bias in this voting as first, mainly EUS experts were involved in the questionaire and second we did not discriminate between findings in the CBD and the gallbladder. Transabdominal ultrasound might be the method of choice for gallbladder findings.

  • CBD, common bile duct; EUS, endoscopic ultrasound; GB, Gallbladder .