Table 1 The signal intensity changes in the lesion compared to the unchanged liver parenchyma in contrast sequences
From: Magnetic resonance imaging of liver tumors using gadoxetic acid (Gd-EOB-DTPA) - pilot study
Case | Pre-contrast | Post-contrast | ||
|---|---|---|---|---|
T1-W | T2-W | T1-W | ||
I | tumour parenchyma | Hypointense relative to the surrounding parenchyma (+++) | Hyperintense relative to the surrounding parenchyma (+++) | No signal enhancement, hypointense compare to the surrounding parenchyma. |
central scar | – | – | – | |
caverns | – | – | – | |
II | tumour parenchyma | Isointense relative to the surrounding parenchyma, heterogenous | Isointense relative to the surrounding parenchyma, heterogenous | Post-contrast signal enhancement, Isointense relative to the surrounding parenchyma |
central scar | Hypointense | Hyperintense | Hypointense | |
caverns | – | – | – | |
III | tumour parenchyma | Moderately hypointense compared to the surrounding parenchyma | Moderately hyperintense compared to the surrounding parenchyma | Shows mild kontrast enhancement |
central scar | – | – | – | |
caverns | Numerous, filled with a hypointense content | Numerous, filled with a hyperintense content | No contrast enhancement of content of caverns, strongly hypointense | |
IV | tumour parenchyma | Moderately hypointense compared to the surrounding parenchyma | Moderately hyperintense compared to the surrounding parenchyma | Showsmildcontrastenhancement |
central scar | – | – | – | |
caverns | Numerous, filled with a hypointense content | Numerous, filled with a hyperintense content | No contrast enhancement of content of caverns, strongly hypointense | |
V | tumour parenchyma | Mildly hypointense | Moderately hyperintencewith a strongly hyperintense centre | No contrast enhancement, strongly hypointense |
central scar | – | – | – | |
caverns | – | – | – | |
VI | tumour parenchyma | Heterogenous, moderately hypointense relative to the surrounding organ parenchyma | Heterogenous, moderately hyperintense relative to the surrounding organ parenchyma | Heterogenous, no contrast enhancement, strongly hypointense |
central scar | – | – | – | |
caverns | Numerous, filled with a hypointense content | Numerous, filled with a hyperintense content | No contrast enhancement of content of caverns, strongly hypointense | |