Gd-EOB-DTPA-enhanced magnetic resonance imaging features of hepatic hemangioma compared with enhanced computed tomography

Figure 2 Temporal profiles of the signal intensity ratios on gadolinium-ethoxybenzyl-diethylenetriaminpentaacetic acid-enhanced magnetic resonance imaging and the attenuation values on enhanced computed tomography. A: Tumor-muscle and liver-muscle signal intensity ratios (SIRs) before and after gadolinium-ethoxybenzyl-diethylenetriamin-pentaacetic acid (Gd-EOB-DTPA) injection; B: The attenuation values in the tumor and liver parenchyma before and after nonionic contrast material injection. Tumor-muscle SIR = signal intensity of the hemangiomas/signal intensity of the paravertebral muscle; Liver-muscle SIR = signal intensity of the liver parenchyma/signal intensity of the paravertebral muscle. PRE: Precontrast scan; AR: Arterial phase; PV: Portal venous phase; EQ: Equilibrium phase; HB: Hepatobiliary phase; HU: Hounsfield unit.