Petros Martirosian

TL;DR: Gd-BOPTA demonstrates the highest longitudinal r1 at all field strengths, which is ascribable to weak protein interaction, and the R2/R1 ratio increases at higher field strength only for Gd- BOPTA, hence very short echo times are required for G d-BopTA to benefit from the higher longitudinal relaxivity.

TL;DR: It is shown that correction of spatially inhomogeneous receiver coil characteristics is easily feasible and leads to clinically valuable perfusion examinations of kidneys without application of potentially nephrotoxic contrast media.

TL;DR: The results demonstrate the feasibility of combined PET-MRI for the simultaneous study of the brain at activation and rest, revealing comprehensive and complementary information to further decode brain function and brain networks.

TL;DR: In this article, the applicability and performance of an MR-based method of respiratory motion correction for PET tumor imaging was evaluated in phantom and patient studies, and the effect of motion correction on tumor visibility, delineation, and radiotracer uptake quantification was analyzed with respect to uncorrected and gated images.

TL;DR: The presented results suggest that both methods are reliable tools for pancreatic and hepatic fat quantification, however, for reliable assessment of quantitative fat by the in-phase/opposed-phase technique, an additional measurement of T2* seems crucial.