Table 1 Comparison of LIC calibration methods
Authors | Method | Liver slice thickness | ROI size | ROI number | Localization within liver | TE, step [ms] | TR [ms] | Breath-hold | Background noise reduction | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
St Pierre et al.[14] | T2 | 5Â mm, 5Â mm gap | Whole liver | 1 | Largest axial slice | 6-18, 3 | 2500 | Single | Voxel intensity smoothing | SSE |
Wood et al.[17] | T2* | 15Â mm | Whole liver | 1 | Mid-hepatic slice | 0.8-4.8, 0.25 | 25 | Single | Variable offset | Single echo gradient echo |
Wood et al.[17] | T2 | 15 mm, 5 mm gap | Whole liver | 4 | Entire liver boundary without obvious hilar vessels | 3.5-30, nd | nd | Single | Variable offset | Single echo 120°-120° Hahn echo |
Hankins et al.[18] | T2* | 10Â mm | Small, variable | 1 | Transverse slice, at the level of main portal vein origin, excluding vessels and bile ducts | 1.1-17.3, 0.8 | nd | One per TE | Truncation | Multiecho gradient echo |
McCarville et al.[34] | T2* | 10Â mm | Whole liver | 1 | Transverse, at the level of main portal vein origin | 1.1-17.3, 0.8 | 200 | Single | nd | Multiecho gradient echo |
McCarville et al.[34] | T2* | 10Â mm | Small, variable | 1 | Right lobe, excluding vessels and bile ducts | 1.1-17.3, 0.8 | 200 | Single | nd | Multiecho gradient echo |
Gandon et al.[15] | T2* | 10Â mm | Small, variable | 3 | Right lobe | 4-21, nd | 120 | nd | Saturation threshold defined | GRE |
Garbowski et al. | T2* | 10Â mm | Small, variable | 3 | Transverse mid-hepatic slice right lobe, excluding vessels and bile ducts | 0.93-16, nd | nd | Single | Truncation | Multiecho gradient echo |