Table 1 Differences in measurement in MR, CT and STL
Landmarks | Measurements (mm) | Differences (%) in measurements (STL/MRI) | Differences (%) in measurements (STL/CT) | ||
|---|---|---|---|---|---|
MRI | CT | STL | |||
Right hepatic duct | 5.9 | 5.1 | 5.7 | 3.448 | 11.111 |
Left hepatic duct | 7.9 | 7.1 | 7.9 | 0 | 10.667 |
Main portal vein | N/A | 16.2 | 16.8 | N/A | 3.636 |
Hepatic artery | N/A | 4.8 | 4.9 | N/A | 2.062 |
Right hepatic artery | N/A | 4.5 | 4.6 | N/A | 2.198 |
Left hepatic artery | N/A | 4.8 | 4.9 | N/A | 2.062 |
Differences in measurements using CT as reference (%) | 5.2 | ||||
Differences in measurements using MR as reference for bile ducts and CT for other structures (%) | 2.2 | ||||