|
Score 1
|
left and right segmental hepatic ducts apparent(3° branching level) |
excellent image qualityand highest confidence level
|
|
Score 2
|
left and right sectorial hepatic duct apparent(2° branching level) |
high image quality with high diagnostic validity and high confidence level |
|
Score 3
|
left and right main hepatic duct apparent(1° branching level) |
mean image quality and mean diagnostic validity |
|
Score 4
|
Solely common hepatic duct visible |
worse image quality with very limited diagnostic validity and only limited confidence |
|
Score 5
|
no bile duct system visible
|
non-diagnostic image quality
|
